Home / 28,098,007.20-42,126,015.60-15,332,925.60

Finding the Fourth Proportional to 28,098,007.20, 42,126,015.60 and 15,332,925.60

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Solution

The fourth proportional to 28,098,007.20, 42,126,015.60 and 15,332,925.60 is: 22,987,931.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098,007.20 : 42,126,015.60 = 15,332,925.60 : x
  2. Step 2: Convert to fraction form
    28,098,007.20/42,126,015.60 = 15,332,925.60/x
  3. Step 3: Cross multiply
    28,098,007.20x = 42,126,015.60 × 15,332,925.60
  4. Step 4: Simplify right side
    28,098,007.20x = 645,915,063,019,239.38
  5. Step 5: Solve for x
    x = 645,915,063,019,239.38/28,098,007.20
  6. Step 6: Final answer
    x = 22,987,931.44

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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.