Home / 19,218,990.34-26,522,209.92-10,517,165.20

Finding the Fourth Proportional to 19,218,990.34, 26,522,209.92 and 10,517,165.20

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Solution

The fourth proportional to 19,218,990.34, 26,522,209.92 and 10,517,165.20 is: 14,513,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218,990.34 : 26,522,209.92 = 10,517,165.20 : x
  2. Step 2: Convert to fraction form
    19,218,990.34/26,522,209.92 = 10,517,165.20/x
  3. Step 3: Cross multiply
    19,218,990.34x = 26,522,209.92 × 10,517,165.20
  4. Step 4: Simplify right side
    19,218,990.34x = 278,938,463,197,718.78
  5. Step 5: Solve for x
    x = 278,938,463,197,718.78/19,218,990.34
  6. Step 6: Final answer
    x = 14,513,689.75

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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.