Home / 39,791,078.16-54,911,299.71-22,149,700.98

Finding the Fourth Proportional to 39,791,078.16, 54,911,299.71 and 22,149,700.98

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Solution

The fourth proportional to 39,791,078.16, 54,911,299.71 and 22,149,700.98 is: 30,566,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,791,078.16 : 54,911,299.71 = 22,149,700.98 : x
  2. Step 2: Convert to fraction form
    39,791,078.16/54,911,299.71 = 22,149,700.98/x
  3. Step 3: Cross multiply
    39,791,078.16x = 54,911,299.71 × 22,149,700.98
  4. Step 4: Simplify right side
    39,791,078.16x = 1,216,268,868,999,660.75
  5. Step 5: Solve for x
    x = 1,216,268,868,999,660.75/39,791,078.16
  6. Step 6: Final answer
    x = 30,566,371.29

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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.