Home / 31,359,918.42-43,272,666.45-18,304,182.90

Finding the Fourth Proportional to 31,359,918.42, 43,272,666.45 and 18,304,182.90

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Solution

The fourth proportional to 31,359,918.42, 43,272,666.45 and 18,304,182.90 is: 25,257,425.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,359,918.42 : 43,272,666.45 = 18,304,182.90 : x
  2. Step 2: Convert to fraction form
    31,359,918.42/43,272,666.45 = 18,304,182.90/x
  3. Step 3: Cross multiply
    31,359,918.42x = 43,272,666.45 × 18,304,182.90
  4. Step 4: Simplify right side
    31,359,918.42x = 792,070,801,271,493.75
  5. Step 5: Solve for x
    x = 792,070,801,271,493.75/31,359,918.42
  6. Step 6: Final answer
    x = 25,257,425.44

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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.