Home / 18,154,470.71-25,052,440.22-9,894,355.79

Finding the Fourth Proportional to 18,154,470.71, 25,052,440.22 and 9,894,355.79

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Solution

The fourth proportional to 18,154,470.71, 25,052,440.22 and 9,894,355.79 is: 13,653,813.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154,470.71 : 25,052,440.22 = 9,894,355.79 : x
  2. Step 2: Convert to fraction form
    18,154,470.71/25,052,440.22 = 9,894,355.79/x
  3. Step 3: Cross multiply
    18,154,470.71x = 25,052,440.22 × 9,894,355.79
  4. Step 4: Simplify right side
    18,154,470.71x = 247,877,756,806,755.72
  5. Step 5: Solve for x
    x = 247,877,756,806,755.72/18,154,470.71
  6. Step 6: Final answer
    x = 13,653,813.47

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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.