Home / 30,330,533.70-45,495,800.55-28,656,494.55

Finding the Fourth Proportional to 30,330,533.70, 45,495,800.55 and 28,656,494.55

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Solution

The fourth proportional to 30,330,533.70, 45,495,800.55 and 28,656,494.55 is: 42,984,741.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330,533.70 : 45,495,800.55 = 28,656,494.55 : x
  2. Step 2: Convert to fraction form
    30,330,533.70/45,495,800.55 = 28,656,494.55/x
  3. Step 3: Cross multiply
    30,330,533.70x = 45,495,800.55 × 28,656,494.55
  4. Step 4: Simplify right side
    30,330,533.70x = 1,303,750,160,508,962
  5. Step 5: Solve for x
    x = 1,303,750,160,508,962/30,330,533.70
  6. Step 6: Final answer
    x = 42,984,741.83

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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.