Home / 8,539,614.78-11,784,838.53-4,672,218.96

Finding the Fourth Proportional to 8,539,614.78, 11,784,838.53 and 4,672,218.96

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Solution

The fourth proportional to 8,539,614.78, 11,784,838.53 and 4,672,218.96 is: 6,447,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539,614.78 : 11,784,838.53 = 4,672,218.96 : x
  2. Step 2: Convert to fraction form
    8,539,614.78/11,784,838.53 = 4,672,218.96/x
  3. Step 3: Cross multiply
    8,539,614.78x = 11,784,838.53 × 4,672,218.96
  4. Step 4: Simplify right side
    8,539,614.78x = 55,061,346,020,404.52
  5. Step 5: Solve for x
    x = 55,061,346,020,404.52/8,539,614.78
  6. Step 6: Final answer
    x = 6,447,755.25

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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.