Home / 5,216,997.28-7,199,529.80-3,151,725.72

Finding the Fourth Proportional to 5,216,997.28, 7,199,529.80 and 3,151,725.72

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Solution

The fourth proportional to 5,216,997.28, 7,199,529.80 and 3,151,725.72 is: 4,349,425.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216,997.28 : 7,199,529.80 = 3,151,725.72 : x
  2. Step 2: Convert to fraction form
    5,216,997.28/7,199,529.80 = 3,151,725.72/x
  3. Step 3: Cross multiply
    5,216,997.28x = 7,199,529.80 × 3,151,725.72
  4. Step 4: Simplify right side
    5,216,997.28x = 22,690,943,242,566.46
  5. Step 5: Solve for x
    x = 22,690,943,242,566.46/5,216,997.28
  6. Step 6: Final answer
    x = 4,349,425.93

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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.