Home / 28,643,740.64-39,529,202.28-15,591,851

Finding the Fourth Proportional to 28,643,740.64, 39,529,202.28 and 15,591,851

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Solution

The fourth proportional to 28,643,740.64, 39,529,202.28 and 15,591,851 is: 21,517,211.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643,740.64 : 39,529,202.28 = 15,591,851 : x
  2. Step 2: Convert to fraction form
    28,643,740.64/39,529,202.28 = 15,591,851/x
  3. Step 3: Cross multiply
    28,643,740.64x = 39,529,202.28 × 15,591,851
  4. Step 4: Simplify right side
    28,643,740.64x = 616,333,432,098,620.25
  5. Step 5: Solve for x
    x = 616,333,432,098,620.25/28,643,740.64
  6. Step 6: Final answer
    x = 21,517,211.73

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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.