Home / 21,916,017.20-32,874,025.80-9,145,686.80

Finding the Fourth Proportional to 21,916,017.20, 32,874,025.80 and 9,145,686.80

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Solution

The fourth proportional to 21,916,017.20, 32,874,025.80 and 9,145,686.80 is: 13,718,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,916,017.20 : 32,874,025.80 = 9,145,686.80 : x
  2. Step 2: Convert to fraction form
    21,916,017.20/32,874,025.80 = 9,145,686.80/x
  3. Step 3: Cross multiply
    21,916,017.20x = 32,874,025.80 × 9,145,686.80
  4. Step 4: Simplify right side
    21,916,017.20x = 300,655,543,821,919.50
  5. Step 5: Solve for x
    x = 300,655,543,821,919.50/21,916,017.20
  6. Step 6: Final answer
    x = 13,718,530.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.