Home / 8,870,731.70-13,306,097.55-8,198,885.30

Finding the Fourth Proportional to 8,870,731.70, 13,306,097.55 and 8,198,885.30

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Solution

The fourth proportional to 8,870,731.70, 13,306,097.55 and 8,198,885.30 is: 12,298,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,731.70 : 13,306,097.55 = 8,198,885.30 : x
  2. Step 2: Convert to fraction form
    8,870,731.70/13,306,097.55 = 8,198,885.30/x
  3. Step 3: Cross multiply
    8,870,731.70x = 13,306,097.55 × 8,198,885.30
  4. Step 4: Simplify right side
    8,870,731.70x = 109,095,167,603,061.02
  5. Step 5: Solve for x
    x = 109,095,167,603,061.02/8,870,731.70
  6. Step 6: Final answer
    x = 12,298,327.95

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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.