Home / 10,679,813.20-16,057,044.60-10,455,864.40

Finding the Fourth Proportional to 10,679,813.20, 16,057,044.60 and 10,455,864.40

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Solution

The fourth proportional to 10,679,813.20, 16,057,044.60 and 10,455,864.40 is: 15,720,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679,813.20 : 16,057,044.60 = 10,455,864.40 : x
  2. Step 2: Convert to fraction form
    10,679,813.20/16,057,044.60 = 10,455,864.40/x
  3. Step 3: Cross multiply
    10,679,813.20x = 16,057,044.60 × 10,455,864.40
  4. Step 4: Simplify right side
    10,679,813.20x = 167,890,281,002,352.25
  5. Step 5: Solve for x
    x = 167,890,281,002,352.25/10,679,813.20
  6. Step 6: Final answer
    x = 15,720,338.72

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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.