Home / 8,428,869.08-11,631,874.79-4,561,390.43

Finding the Fourth Proportional to 8,428,869.08, 11,631,874.79 and 4,561,390.43

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Solution

The fourth proportional to 8,428,869.08, 11,631,874.79 and 4,561,390.43 is: 6,294,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,869.08 : 11,631,874.79 = 4,561,390.43 : x
  2. Step 2: Convert to fraction form
    8,428,869.08/11,631,874.79 = 4,561,390.43/x
  3. Step 3: Cross multiply
    8,428,869.08x = 11,631,874.79 × 4,561,390.43
  4. Step 4: Simplify right side
    8,428,869.08x = 53,057,522,350,064.25
  5. Step 5: Solve for x
    x = 53,057,522,350,064.25/8,428,869.08
  6. Step 6: Final answer
    x = 6,294,737.98

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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.