Home / 8,093,142.20-12,139,713.30-7,719,894.20

Finding the Fourth Proportional to 8,093,142.20, 12,139,713.30 and 7,719,894.20

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Solution

The fourth proportional to 8,093,142.20, 12,139,713.30 and 7,719,894.20 is: 11,579,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093,142.20 : 12,139,713.30 = 7,719,894.20 : x
  2. Step 2: Convert to fraction form
    8,093,142.20/12,139,713.30 = 7,719,894.20/x
  3. Step 3: Cross multiply
    8,093,142.20x = 12,139,713.30 × 7,719,894.20
  4. Step 4: Simplify right side
    8,093,142.20x = 93,717,302,294,332.88
  5. Step 5: Solve for x
    x = 93,717,302,294,332.88/8,093,142.20
  6. Step 6: Final answer
    x = 11,579,841.30

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Double scale
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Similar ratio
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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.