Home / 8,620,738.61-12,916,474.82-5,201,841.15

Finding the Fourth Proportional to 8,620,738.61, 12,916,474.82 and 5,201,841.15

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Solution

The fourth proportional to 8,620,738.61, 12,916,474.82 and 5,201,841.15 is: 7,793,931.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,738.61 : 12,916,474.82 = 5,201,841.15 : x
  2. Step 2: Convert to fraction form
    8,620,738.61/12,916,474.82 = 5,201,841.15/x
  3. Step 3: Cross multiply
    8,620,738.61x = 12,916,474.82 × 5,201,841.15
  4. Step 4: Simplify right side
    8,620,738.61x = 67,189,450,205,605.64
  5. Step 5: Solve for x
    x = 67,189,450,205,605.64/8,620,738.61
  6. Step 6: Final answer
    x = 7,793,931.97

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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.