Home / 8,092,951.20-12,139,426.80-7,719,703.20

Finding the Fourth Proportional to 8,092,951.20, 12,139,426.80 and 7,719,703.20

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Solution

The fourth proportional to 8,092,951.20, 12,139,426.80 and 7,719,703.20 is: 11,579,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092,951.20 : 12,139,426.80 = 7,719,703.20 : x
  2. Step 2: Convert to fraction form
    8,092,951.20/12,139,426.80 = 7,719,703.20/x
  3. Step 3: Cross multiply
    8,092,951.20x = 12,139,426.80 × 7,719,703.20
  4. Step 4: Simplify right side
    8,092,951.20x = 93,712,771,914,125.77
  5. Step 5: Solve for x
    x = 93,712,771,914,125.77/8,092,951.20
  6. Step 6: Final answer
    x = 11,579,554.80

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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.