Home / 21,980,779.20-32,971,168.80-17,729,251.20

Finding the Fourth Proportional to 21,980,779.20, 32,971,168.80 and 17,729,251.20

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Solution

The fourth proportional to 21,980,779.20, 32,971,168.80 and 17,729,251.20 is: 26,593,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,980,779.20 : 32,971,168.80 = 17,729,251.20 : x
  2. Step 2: Convert to fraction form
    21,980,779.20/32,971,168.80 = 17,729,251.20/x
  3. Step 3: Cross multiply
    21,980,779.20x = 32,971,168.80 × 17,729,251.20
  4. Step 4: Simplify right side
    21,980,779.20x = 584,554,134,012,802.50
  5. Step 5: Solve for x
    x = 584,554,134,012,802.50/21,980,779.20
  6. Step 6: Final answer
    x = 26,593,876.80

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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.