Home / 12,654,947.43-18,973,984.19-4,132,295.91

Finding the Fourth Proportional to 12,654,947.43, 18,973,984.19 and 4,132,295.91

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Solution

The fourth proportional to 12,654,947.43, 18,973,984.19 and 4,132,295.91 is: 6,195,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,947.43 : 18,973,984.19 = 4,132,295.91 : x
  2. Step 2: Convert to fraction form
    12,654,947.43/18,973,984.19 = 4,132,295.91/x
  3. Step 3: Cross multiply
    12,654,947.43x = 18,973,984.19 × 4,132,295.91
  4. Step 4: Simplify right side
    12,654,947.43x = 78,406,117,244,080.19
  5. Step 5: Solve for x
    x = 78,406,117,244,080.19/12,654,947.43
  6. Step 6: Final answer
    x = 6,195,688.89

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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.