Home / 23,171,131.16-31,977,655.68-12,857,854.26

Finding the Fourth Proportional to 23,171,131.16, 31,977,655.68 and 12,857,854.26

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Solution

The fourth proportional to 23,171,131.16, 31,977,655.68 and 12,857,854.26 is: 17,744,668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,171,131.16 : 31,977,655.68 = 12,857,854.26 : x
  2. Step 2: Convert to fraction form
    23,171,131.16/31,977,655.68 = 12,857,854.26/x
  3. Step 3: Cross multiply
    23,171,131.16x = 31,977,655.68 × 12,857,854.26
  4. Step 4: Simplify right side
    23,171,131.16x = 411,164,036,309,901.19
  5. Step 5: Solve for x
    x = 411,164,036,309,901.19/23,171,131.16
  6. Step 6: Final answer
    x = 17,744,668.29

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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.