Home / 12,894,028.04-17,791,177.90-7,389,129.70

Finding the Fourth Proportional to 12,894,028.04, 17,791,177.90 and 7,389,129.70

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Solution

The fourth proportional to 12,894,028.04, 17,791,177.90 and 7,389,129.70 is: 10,195,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,894,028.04 : 17,791,177.90 = 7,389,129.70 : x
  2. Step 2: Convert to fraction form
    12,894,028.04/17,791,177.90 = 7,389,129.70/x
  3. Step 3: Cross multiply
    12,894,028.04x = 17,791,177.90 × 7,389,129.70
  4. Step 4: Simplify right side
    12,894,028.04x = 131,461,321,018,873.62
  5. Step 5: Solve for x
    x = 131,461,321,018,873.62/12,894,028.04
  6. Step 6: Final answer
    x = 10,195,520.02

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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.