Home / 10,462,687.20-15,704,053.20-5,417,618.40

Finding the Fourth Proportional to 10,462,687.20, 15,704,053.20 and 5,417,618.40

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Solution

The fourth proportional to 10,462,687.20, 15,704,053.20 and 5,417,618.40 is: 8,131,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,462,687.20 : 15,704,053.20 = 5,417,618.40 : x
  2. Step 2: Convert to fraction form
    10,462,687.20/15,704,053.20 = 5,417,618.40/x
  3. Step 3: Cross multiply
    10,462,687.20x = 15,704,053.20 × 5,417,618.40
  4. Step 4: Simplify right side
    10,462,687.20x = 85,078,567,570,898.88
  5. Step 5: Solve for x
    x = 85,078,567,570,898.88/10,462,687.20
  6. Step 6: Final answer
    x = 8,131,617.24

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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.