Home / 18,041,741.15-24,897,780.81-9,781,781.13

Finding the Fourth Proportional to 18,041,741.15, 24,897,780.81 and 9,781,781.13

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Solution

The fourth proportional to 18,041,741.15, 24,897,780.81 and 9,781,781.13 is: 13,498,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,041,741.15 : 24,897,780.81 = 9,781,781.13 : x
  2. Step 2: Convert to fraction form
    18,041,741.15/24,897,780.81 = 9,781,781.13/x
  3. Step 3: Cross multiply
    18,041,741.15x = 24,897,780.81 × 9,781,781.13
  4. Step 4: Simplify right side
    18,041,741.15x = 243,544,642,506,134.12
  5. Step 5: Solve for x
    x = 243,544,642,506,134.12/18,041,741.15
  6. Step 6: Final answer
    x = 13,498,954.48

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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.