Home / 18,622,645.13-25,684,691.25-12,098,376.71

Finding the Fourth Proportional to 18,622,645.13, 25,684,691.25 and 12,098,376.71

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Solution

The fourth proportional to 18,622,645.13, 25,684,691.25 and 12,098,376.71 is: 16,686,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622,645.13 : 25,684,691.25 = 12,098,376.71 : x
  2. Step 2: Convert to fraction form
    18,622,645.13/25,684,691.25 = 12,098,376.71/x
  3. Step 3: Cross multiply
    18,622,645.13x = 25,684,691.25 × 12,098,376.71
  4. Step 4: Simplify right side
    18,622,645.13x = 310,743,070,435,803.81
  5. Step 5: Solve for x
    x = 310,743,070,435,803.81/18,622,645.13
  6. Step 6: Final answer
    x = 16,686,301.45

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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.