Home / 40,496,857.20-60,745,285.80-10,204,720.20

Finding the Fourth Proportional to 40,496,857.20, 60,745,285.80 and 10,204,720.20

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Solution

The fourth proportional to 40,496,857.20, 60,745,285.80 and 10,204,720.20 is: 15,307,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,496,857.20 : 60,745,285.80 = 10,204,720.20 : x
  2. Step 2: Convert to fraction form
    40,496,857.20/60,745,285.80 = 10,204,720.20/x
  3. Step 3: Cross multiply
    40,496,857.20x = 60,745,285.80 × 10,204,720.20
  4. Step 4: Simplify right side
    40,496,857.20x = 619,888,645,058,033.12
  5. Step 5: Solve for x
    x = 619,888,645,058,033.12/40,496,857.20
  6. Step 6: Final answer
    x = 15,307,080.30

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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.