Home / 28,480,996.74-42,721,495.20-6,915,453.24

Finding the Fourth Proportional to 28,480,996.74, 42,721,495.20 and 6,915,453.24

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Solution

The fourth proportional to 28,480,996.74, 42,721,495.20 and 6,915,453.24 is: 10,373,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,480,996.74 : 42,721,495.20 = 6,915,453.24 : x
  2. Step 2: Convert to fraction form
    28,480,996.74/42,721,495.20 = 6,915,453.24/x
  3. Step 3: Cross multiply
    28,480,996.74x = 42,721,495.20 × 6,915,453.24
  4. Step 4: Simplify right side
    28,480,996.74x = 295,438,502,398,484.50
  5. Step 5: Solve for x
    x = 295,438,502,398,484.50/28,480,996.74
  6. Step 6: Final answer
    x = 10,373,179.88

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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.