Home / 8,091,611.70-12,137,417.55-7,718,363.70

Finding the Fourth Proportional to 8,091,611.70, 12,137,417.55 and 7,718,363.70

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Solution

The fourth proportional to 8,091,611.70, 12,137,417.55 and 7,718,363.70 is: 11,577,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091,611.70 : 12,137,417.55 = 7,718,363.70 : x
  2. Step 2: Convert to fraction form
    8,091,611.70/12,137,417.55 = 7,718,363.70/x
  3. Step 3: Cross multiply
    8,091,611.70x = 12,137,417.55 × 7,718,363.70
  4. Step 4: Simplify right side
    8,091,611.70x = 93,681,003,029,662.94
  5. Step 5: Solve for x
    x = 93,681,003,029,662.94/8,091,611.70
  6. Step 6: Final answer
    x = 11,577,545.55

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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.