Home / 9,217,990.61-12,718,928.13-5,296,989.38

Finding the Fourth Proportional to 9,217,990.61, 12,718,928.13 and 5,296,989.38

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Solution

The fourth proportional to 9,217,990.61, 12,718,928.13 and 5,296,989.38 is: 7,308,754.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217,990.61 : 12,718,928.13 = 5,296,989.38 : x
  2. Step 2: Convert to fraction form
    9,217,990.61/12,718,928.13 = 5,296,989.38/x
  3. Step 3: Cross multiply
    9,217,990.61x = 12,718,928.13 × 5,296,989.38
  4. Step 4: Simplify right side
    9,217,990.61x = 67,372,027,165,998.62
  5. Step 5: Solve for x
    x = 67,372,027,165,998.62/9,217,990.61
  6. Step 6: Final answer
    x = 7,308,754.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.