Home / 31,272,597.30-43,156,109.82-17,143,758.89

Finding the Fourth Proportional to 31,272,597.30, 43,156,109.82 and 17,143,758.89

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Solution

The fourth proportional to 31,272,597.30, 43,156,109.82 and 17,143,758.89 is: 23,658,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272,597.30 : 43,156,109.82 = 17,143,758.89 : x
  2. Step 2: Convert to fraction form
    31,272,597.30/43,156,109.82 = 17,143,758.89/x
  3. Step 3: Cross multiply
    31,272,597.30x = 43,156,109.82 × 17,143,758.89
  4. Step 4: Simplify right side
    31,272,597.30x = 739,857,941,168,660.88
  5. Step 5: Solve for x
    x = 739,857,941,168,660.88/31,272,597.30
  6. Step 6: Final answer
    x = 23,658,346.45

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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.