Home / 7,929,407.40-11,894,111.10-2,538,233.70

Finding the Fourth Proportional to 7,929,407.40, 11,894,111.10 and 2,538,233.70

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Solution

The fourth proportional to 7,929,407.40, 11,894,111.10 and 2,538,233.70 is: 3,807,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929,407.40 : 11,894,111.10 = 2,538,233.70 : x
  2. Step 2: Convert to fraction form
    7,929,407.40/11,894,111.10 = 2,538,233.70/x
  3. Step 3: Cross multiply
    7,929,407.40x = 11,894,111.10 × 2,538,233.70
  4. Step 4: Simplify right side
    7,929,407.40x = 30,190,033,625,564.07
  5. Step 5: Solve for x
    x = 30,190,033,625,564.07/7,929,407.40
  6. Step 6: Final answer
    x = 3,807,350.55

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.