Home / 21,766,461.55-32,639,603.11-8,115,942.78

Finding the Fourth Proportional to 21,766,461.55, 32,639,603.11 and 8,115,942.78

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Solution

The fourth proportional to 21,766,461.55, 32,639,603.11 and 8,115,942.78 is: 12,170,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766,461.55 : 32,639,603.11 = 8,115,942.78 : x
  2. Step 2: Convert to fraction form
    21,766,461.55/32,639,603.11 = 8,115,942.78/x
  3. Step 3: Cross multiply
    21,766,461.55x = 32,639,603.11 × 8,115,942.78
  4. Step 4: Simplify right side
    21,766,461.55x = 264,901,151,202,670.06
  5. Step 5: Solve for x
    x = 264,901,151,202,670.06/21,766,461.55
  6. Step 6: Final answer
    x = 12,170,152.26

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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.