Home / 18,504,836.88-25,538,583.28-10,664,624.40

Finding the Fourth Proportional to 18,504,836.88, 25,538,583.28 and 10,664,624.40

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Solution

The fourth proportional to 18,504,836.88, 25,538,583.28 and 10,664,624.40 is: 14,718,281.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504,836.88 : 25,538,583.28 = 10,664,624.40 : x
  2. Step 2: Convert to fraction form
    18,504,836.88/25,538,583.28 = 10,664,624.40/x
  3. Step 3: Cross multiply
    18,504,836.88x = 25,538,583.28 × 10,664,624.40
  4. Step 4: Simplify right side
    18,504,836.88x = 272,359,398,389,320.06
  5. Step 5: Solve for x
    x = 272,359,398,389,320.06/18,504,836.88
  6. Step 6: Final answer
    x = 14,718,281.50

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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.