Home / 5,128,727.47-7,069,432.17-3,474,371.32

Finding the Fourth Proportional to 5,128,727.47, 7,069,432.17 and 3,474,371.32

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Solution

The fourth proportional to 5,128,727.47, 7,069,432.17 and 3,474,371.32 is: 4,789,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,727.47 : 7,069,432.17 = 3,474,371.32 : x
  2. Step 2: Convert to fraction form
    5,128,727.47/7,069,432.17 = 3,474,371.32/x
  3. Step 3: Cross multiply
    5,128,727.47x = 7,069,432.17 × 3,474,371.32
  4. Step 4: Simplify right side
    5,128,727.47x = 24,561,832,385,939.22
  5. Step 5: Solve for x
    x = 24,561,832,385,939.22/5,128,727.47
  6. Step 6: Final answer
    x = 4,789,069.51

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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.