Home / 8,781,407.70-13,172,111.55-5,767,818.90

Finding the Fourth Proportional to 8,781,407.70, 13,172,111.55 and 5,767,818.90

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Solution

The fourth proportional to 8,781,407.70, 13,172,111.55 and 5,767,818.90 is: 8,651,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781,407.70 : 13,172,111.55 = 5,767,818.90 : x
  2. Step 2: Convert to fraction form
    8,781,407.70/13,172,111.55 = 5,767,818.90/x
  3. Step 3: Cross multiply
    8,781,407.70x = 13,172,111.55 × 5,767,818.90
  4. Step 4: Simplify right side
    8,781,407.70x = 75,974,353,950,998.30
  5. Step 5: Solve for x
    x = 75,974,353,950,998.30/8,781,407.70
  6. Step 6: Final answer
    x = 8,651,728.35

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Double scale
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Similar ratio
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1.5x scale

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.