Home / 16,128,857.40-24,193,286.10-12,147,545.40

Finding the Fourth Proportional to 16,128,857.40, 24,193,286.10 and 12,147,545.40

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Solution

The fourth proportional to 16,128,857.40, 24,193,286.10 and 12,147,545.40 is: 18,221,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,857.40 : 24,193,286.10 = 12,147,545.40 : x
  2. Step 2: Convert to fraction form
    16,128,857.40/24,193,286.10 = 12,147,545.40/x
  3. Step 3: Cross multiply
    16,128,857.40x = 24,193,286.10 × 12,147,545.40
  4. Step 4: Simplify right side
    16,128,857.40x = 293,889,041,274,938.94
  5. Step 5: Solve for x
    x = 293,889,041,274,938.94/16,128,857.40
  6. Step 6: Final answer
    x = 18,221,318.10

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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.