Home / 10,156,304.40-14,015,716.92-5,572,660.20

Finding the Fourth Proportional to 10,156,304.40, 14,015,716.92 and 5,572,660.20

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Solution

The fourth proportional to 10,156,304.40, 14,015,716.92 and 5,572,660.20 is: 7,690,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156,304.40 : 14,015,716.92 = 5,572,660.20 : x
  2. Step 2: Convert to fraction form
    10,156,304.40/14,015,716.92 = 5,572,660.20/x
  3. Step 3: Cross multiply
    10,156,304.40x = 14,015,716.92 × 5,572,660.20
  4. Step 4: Simplify right side
    10,156,304.40x = 78,104,827,854,550.59
  5. Step 5: Solve for x
    x = 78,104,827,854,550.59/10,156,304.40
  6. Step 6: Final answer
    x = 7,690,280.32

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1.5x scale

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.