Home / 10,687,469.90-16,041,702.45-5,302,201.10

Finding the Fourth Proportional to 10,687,469.90, 16,041,702.45 and 5,302,201.10

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Solution

The fourth proportional to 10,687,469.90, 16,041,702.45 and 5,302,201.10 is: 7,958,509.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687,469.90 : 16,041,702.45 = 5,302,201.10 : x
  2. Step 2: Convert to fraction form
    10,687,469.90/16,041,702.45 = 5,302,201.10/x
  3. Step 3: Cross multiply
    10,687,469.90x = 16,041,702.45 × 5,302,201.10
  4. Step 4: Simplify right side
    10,687,469.90x = 85,056,332,376,262.69
  5. Step 5: Solve for x
    x = 85,056,332,376,262.69/10,687,469.90
  6. Step 6: Final answer
    x = 7,958,509.65

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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.