Home / 40,284,535.92-55,592,667.57-21,949,821.42

Finding the Fourth Proportional to 40,284,535.92, 55,592,667.57 and 21,949,821.42

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Solution

The fourth proportional to 40,284,535.92, 55,592,667.57 and 21,949,821.42 is: 30,290,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284,535.92 : 55,592,667.57 = 21,949,821.42 : x
  2. Step 2: Convert to fraction form
    40,284,535.92/55,592,667.57 = 21,949,821.42/x
  3. Step 3: Cross multiply
    40,284,535.92x = 55,592,667.57 × 21,949,821.42
  4. Step 4: Simplify right side
    40,284,535.92x = 1,220,249,125,422,925.50
  5. Step 5: Solve for x
    x = 1,220,249,125,422,925.50/40,284,535.92
  6. Step 6: Final answer
    x = 30,290,757.92

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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.