Home / 17,172,426.72-23,698,517.04-9,437,743.20

Finding the Fourth Proportional to 17,172,426.72, 23,698,517.04 and 9,437,743.20

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Solution

The fourth proportional to 17,172,426.72, 23,698,517.04 and 9,437,743.20 is: 13,024,397.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172,426.72 : 23,698,517.04 = 9,437,743.20 : x
  2. Step 2: Convert to fraction form
    17,172,426.72/23,698,517.04 = 9,437,743.20/x
  3. Step 3: Cross multiply
    17,172,426.72x = 23,698,517.04 × 9,437,743.20
  4. Step 4: Simplify right side
    17,172,426.72x = 223,660,518,044,344.09
  5. Step 5: Solve for x
    x = 223,660,518,044,344.09/17,172,426.72
  6. Step 6: Final answer
    x = 13,024,397.87

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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.