Home / 18,008,677.32-27,013,763.32-5,229,182.02

Finding the Fourth Proportional to 18,008,677.32, 27,013,763.32 and 5,229,182.02

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Solution

The fourth proportional to 18,008,677.32, 27,013,763.32 and 5,229,182.02 is: 7,843,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008,677.32 : 27,013,763.32 = 5,229,182.02 : x
  2. Step 2: Convert to fraction form
    18,008,677.32/27,013,763.32 = 5,229,182.02/x
  3. Step 3: Cross multiply
    18,008,677.32x = 27,013,763.32 × 5,229,182.02
  4. Step 4: Simplify right side
    18,008,677.32x = 141,259,885,466,981.03
  5. Step 5: Solve for x
    x = 141,259,885,466,981.03/18,008,677.32
  6. Step 6: Final answer
    x = 7,843,990.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.