Home / 8,248,808.40-12,373,212.60-7,381,006.80

Finding the Fourth Proportional to 8,248,808.40, 12,373,212.60 and 7,381,006.80

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Solution

The fourth proportional to 8,248,808.40, 12,373,212.60 and 7,381,006.80 is: 11,071,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248,808.40 : 12,373,212.60 = 7,381,006.80 : x
  2. Step 2: Convert to fraction form
    8,248,808.40/12,373,212.60 = 7,381,006.80/x
  3. Step 3: Cross multiply
    8,248,808.40x = 12,373,212.60 × 7,381,006.80
  4. Step 4: Simplify right side
    8,248,808.40x = 91,326,766,338,445.67
  5. Step 5: Solve for x
    x = 91,326,766,338,445.67/8,248,808.40
  6. Step 6: Final answer
    x = 11,071,510.20

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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.