Home / 12,924,296.80-17,834,801.88-7,123,060.72

Finding the Fourth Proportional to 12,924,296.80, 17,834,801.88 and 7,123,060.72

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Solution

The fourth proportional to 12,924,296.80, 17,834,801.88 and 7,123,060.72 is: 9,829,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924,296.80 : 17,834,801.88 = 7,123,060.72 : x
  2. Step 2: Convert to fraction form
    12,924,296.80/17,834,801.88 = 7,123,060.72/x
  3. Step 3: Cross multiply
    12,924,296.80x = 17,834,801.88 × 7,123,060.72
  4. Step 4: Simplify right side
    12,924,296.80x = 127,038,376,720,410.14
  5. Step 5: Solve for x
    x = 127,038,376,720,410.14/12,924,296.80
  6. Step 6: Final answer
    x = 9,829,422.73

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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.