Home / 18,499,120.16-27,758,248.12-13,423,397.36

Finding the Fourth Proportional to 18,499,120.16, 27,758,248.12 and 13,423,397.36

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Solution

The fourth proportional to 18,499,120.16, 27,758,248.12 and 13,423,397.36 is: 20,142,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499,120.16 : 27,758,248.12 = 13,423,397.36 : x
  2. Step 2: Convert to fraction form
    18,499,120.16/27,758,248.12 = 13,423,397.36/x
  3. Step 3: Cross multiply
    18,499,120.16x = 27,758,248.12 × 13,423,397.36
  4. Step 4: Simplify right side
    18,499,120.16x = 372,609,994,532,232.94
  5. Step 5: Solve for x
    x = 372,609,994,532,232.94/18,499,120.16
  6. Step 6: Final answer
    x = 20,142,038.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.