Home / 7,003,673.28-9,665,217-3,947,886.72

Finding the Fourth Proportional to 7,003,673.28, 9,665,217 and 3,947,886.72

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Solution

The fourth proportional to 7,003,673.28, 9,665,217 and 3,947,886.72 is: 5,448,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003,673.28 : 9,665,217 = 3,947,886.72 : x
  2. Step 2: Convert to fraction form
    7,003,673.28/9,665,217 = 3,947,886.72/x
  3. Step 3: Cross multiply
    7,003,673.28x = 9,665,217 × 3,947,886.72
  4. Step 4: Simplify right side
    7,003,673.28x = 38,157,181,840,218.24
  5. Step 5: Solve for x
    x = 38,157,181,840,218.24/7,003,673.28
  6. Step 6: Final answer
    x = 5,448,167.03

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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.