Home / 18,468,082.80-27,702,124.20-10,815,332.40

Finding the Fourth Proportional to 18,468,082.80, 27,702,124.20 and 10,815,332.40

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Solution

The fourth proportional to 18,468,082.80, 27,702,124.20 and 10,815,332.40 is: 16,222,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,082.80 : 27,702,124.20 = 10,815,332.40 : x
  2. Step 2: Convert to fraction form
    18,468,082.80/27,702,124.20 = 10,815,332.40/x
  3. Step 3: Cross multiply
    18,468,082.80x = 27,702,124.20 × 10,815,332.40
  4. Step 4: Simplify right side
    18,468,082.80x = 299,607,681,409,084.06
  5. Step 5: Solve for x
    x = 299,607,681,409,084.06/18,468,082.80
  6. Step 6: Final answer
    x = 16,222,998.60

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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.