Home / 8,539,611.59-11,784,834.12-4,672,215.78

Finding the Fourth Proportional to 8,539,611.59, 11,784,834.12 and 4,672,215.78

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Solution

The fourth proportional to 8,539,611.59, 11,784,834.12 and 4,672,215.78 is: 6,447,750.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539,611.59 : 11,784,834.12 = 4,672,215.78 : x
  2. Step 2: Convert to fraction form
    8,539,611.59/11,784,834.12 = 4,672,215.78/x
  3. Step 3: Cross multiply
    8,539,611.59x = 11,784,834.12 × 4,672,215.78
  4. Step 4: Simplify right side
    8,539,611.59x = 55,061,287,979,763.79
  5. Step 5: Solve for x
    x = 55,061,287,979,763.79/8,539,611.59
  6. Step 6: Final answer
    x = 6,447,750.86

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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.