Home / 8,187,740.70-12,281,611.05-7,266,576.30

Finding the Fourth Proportional to 8,187,740.70, 12,281,611.05 and 7,266,576.30

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Solution

The fourth proportional to 8,187,740.70, 12,281,611.05 and 7,266,576.30 is: 10,899,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187,740.70 : 12,281,611.05 = 7,266,576.30 : x
  2. Step 2: Convert to fraction form
    8,187,740.70/12,281,611.05 = 7,266,576.30/x
  3. Step 3: Cross multiply
    8,187,740.70x = 12,281,611.05 × 7,266,576.30
  4. Step 4: Simplify right side
    8,187,740.70x = 89,245,263,781,748.12
  5. Step 5: Solve for x
    x = 89,245,263,781,748.12/8,187,740.70
  6. Step 6: Final answer
    x = 10,899,864.45

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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.