Home / 12,654,280.80-17,462,691.72-6,853,015.44

Finding the Fourth Proportional to 12,654,280.80, 17,462,691.72 and 6,853,015.44

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Solution

The fourth proportional to 12,654,280.80, 17,462,691.72 and 6,853,015.44 is: 9,457,044.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,280.80 : 17,462,691.72 = 6,853,015.44 : x
  2. Step 2: Convert to fraction form
    12,654,280.80/17,462,691.72 = 6,853,015.44/x
  3. Step 3: Cross multiply
    12,654,280.80x = 17,462,691.72 × 6,853,015.44
  4. Step 4: Simplify right side
    12,654,280.80x = 119,672,095,981,120.16
  5. Step 5: Solve for x
    x = 119,672,095,981,120.16/12,654,280.80
  6. Step 6: Final answer
    x = 9,457,044.45

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1.5x scale

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.