Home / 7,138,737.56-9,851,572.31-3,875,549.69

Finding the Fourth Proportional to 7,138,737.56, 9,851,572.31 and 3,875,549.69

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Solution

The fourth proportional to 7,138,737.56, 9,851,572.31 and 3,875,549.69 is: 5,348,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,737.56 : 9,851,572.31 = 3,875,549.69 : x
  2. Step 2: Convert to fraction form
    7,138,737.56/9,851,572.31 = 3,875,549.69/x
  3. Step 3: Cross multiply
    7,138,737.56x = 9,851,572.31 × 3,875,549.69
  4. Step 4: Simplify right side
    7,138,737.56x = 38,180,258,017,284.27
  5. Step 5: Solve for x
    x = 38,180,258,017,284.27/7,138,737.56
  6. Step 6: Final answer
    x = 5,348,320.72

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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.