Home / 30,225,200.40-45,337,800.60-28,335,632.40

Finding the Fourth Proportional to 30,225,200.40, 45,337,800.60 and 28,335,632.40

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Solution

The fourth proportional to 30,225,200.40, 45,337,800.60 and 28,335,632.40 is: 42,503,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,225,200.40 : 45,337,800.60 = 28,335,632.40 : x
  2. Step 2: Convert to fraction form
    30,225,200.40/45,337,800.60 = 28,335,632.40/x
  3. Step 3: Cross multiply
    30,225,200.40x = 45,337,800.60 × 28,335,632.40
  4. Step 4: Simplify right side
    30,225,200.40x = 1,284,675,251,626,099.50
  5. Step 5: Solve for x
    x = 1,284,675,251,626,099.50/30,225,200.40
  6. Step 6: Final answer
    x = 42,503,448.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.