Home / 12,948,276.93-17,868,623.21-7,147,060.17

Finding the Fourth Proportional to 12,948,276.93, 17,868,623.21 and 7,147,060.17

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Solution

The fourth proportional to 12,948,276.93, 17,868,623.21 and 7,147,060.17 is: 9,862,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,276.93 : 17,868,623.21 = 7,147,060.17 : x
  2. Step 2: Convert to fraction form
    12,948,276.93/17,868,623.21 = 7,147,060.17/x
  3. Step 3: Cross multiply
    12,948,276.93x = 17,868,623.21 × 7,147,060.17
  4. Step 4: Simplify right side
    12,948,276.93x = 127,708,125,236,928.55
  5. Step 5: Solve for x
    x = 127,708,125,236,928.55/12,948,276.93
  6. Step 6: Final answer
    x = 9,862,943.61

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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.