Home / 20,173,904.40-30,260,856.60-17,780,451.60

Finding the Fourth Proportional to 20,173,904.40, 30,260,856.60 and 17,780,451.60

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Solution

The fourth proportional to 20,173,904.40, 30,260,856.60 and 17,780,451.60 is: 26,670,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173,904.40 : 30,260,856.60 = 17,780,451.60 : x
  2. Step 2: Convert to fraction form
    20,173,904.40/30,260,856.60 = 17,780,451.60/x
  3. Step 3: Cross multiply
    20,173,904.40x = 30,260,856.60 × 17,780,451.60
  4. Step 4: Simplify right side
    20,173,904.40x = 538,051,696,150,840.62
  5. Step 5: Solve for x
    x = 538,051,696,150,840.62/20,173,904.40
  6. Step 6: Final answer
    x = 26,670,677.40

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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.