Home / 8,217,884.67-12,318,812.87-3,426,945.27

Finding the Fourth Proportional to 8,217,884.67, 12,318,812.87 and 3,426,945.27

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Solution

The fourth proportional to 8,217,884.67, 12,318,812.87 and 3,426,945.27 is: 5,137,075.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217,884.67 : 12,318,812.87 = 3,426,945.27 : x
  2. Step 2: Convert to fraction form
    8,217,884.67/12,318,812.87 = 3,426,945.27/x
  3. Step 3: Cross multiply
    8,217,884.67x = 12,318,812.87 × 3,426,945.27
  4. Step 4: Simplify right side
    8,217,884.67x = 42,215,897,479,726.90
  5. Step 5: Solve for x
    x = 42,215,897,479,726.90/8,217,884.67
  6. Step 6: Final answer
    x = 5,137,075.92

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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.