Home / 47,980,661.20-71,974,724.28-13,902,496.72

Finding the Fourth Proportional to 47,980,661.20, 71,974,724.28 and 13,902,496.72

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Solution

The fourth proportional to 47,980,661.20, 71,974,724.28 and 13,902,496.72 is: 20,854,826.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,980,661.20 : 71,974,724.28 = 13,902,496.72 : x
  2. Step 2: Convert to fraction form
    47,980,661.20/71,974,724.28 = 13,902,496.72/x
  3. Step 3: Cross multiply
    47,980,661.20x = 71,974,724.28 × 13,902,496.72
  4. Step 4: Simplify right side
    47,980,661.20x = 1,000,628,368,225,604.38
  5. Step 5: Solve for x
    x = 1,000,628,368,225,604.38/47,980,661.20
  6. Step 6: Final answer
    x = 20,854,826.57

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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.