Home / 14,990,962.52-20,687,535.20-8,115,444.59

Finding the Fourth Proportional to 14,990,962.52, 20,687,535.20 and 8,115,444.59

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Solution

The fourth proportional to 14,990,962.52, 20,687,535.20 and 8,115,444.59 is: 11,199,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,962.52 : 20,687,535.20 = 8,115,444.59 : x
  2. Step 2: Convert to fraction form
    14,990,962.52/20,687,535.20 = 8,115,444.59/x
  3. Step 3: Cross multiply
    14,990,962.52x = 20,687,535.20 × 8,115,444.59
  4. Step 4: Simplify right side
    14,990,962.52x = 167,888,545,536,125.50
  5. Step 5: Solve for x
    x = 167,888,545,536,125.50/14,990,962.52
  6. Step 6: Final answer
    x = 11,199,317.27

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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.