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Finding the Fourth Proportional to 18,016,557.03, 24,862,734.54 and 9,756,487.67

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Solution

The fourth proportional to 18,016,557.03, 24,862,734.54 and 9,756,487.67 is: 13,463,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016,557.03 : 24,862,734.54 = 9,756,487.67 : x
  2. Step 2: Convert to fraction form
    18,016,557.03/24,862,734.54 = 9,756,487.67/x
  3. Step 3: Cross multiply
    18,016,557.03x = 24,862,734.54 × 9,756,487.67
  4. Step 4: Simplify right side
    18,016,557.03x = 242,572,962,857,679.41
  5. Step 5: Solve for x
    x = 242,572,962,857,679.41/18,016,557.03
  6. Step 6: Final answer
    x = 13,463,891.16

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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.