Home / 13,269,159.76-18,304,417.13-9,132,008.22

Finding the Fourth Proportional to 13,269,159.76, 18,304,417.13 and 9,132,008.22

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Solution

The fourth proportional to 13,269,159.76, 18,304,417.13 and 9,132,008.22 is: 12,597,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,159.76 : 18,304,417.13 = 9,132,008.22 : x
  2. Step 2: Convert to fraction form
    13,269,159.76/18,304,417.13 = 9,132,008.22/x
  3. Step 3: Cross multiply
    13,269,159.76x = 18,304,417.13 × 9,132,008.22
  4. Step 4: Simplify right side
    13,269,159.76x = 167,156,087,693,468.81
  5. Step 5: Solve for x
    x = 167,156,087,693,468.81/13,269,159.76
  6. Step 6: Final answer
    x = 12,597,337.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.