Home / 21,720,121.30-32,584,555.95-6,367,381.30

Finding the Fourth Proportional to 21,720,121.30, 32,584,555.95 and 6,367,381.30

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Solution

The fourth proportional to 21,720,121.30, 32,584,555.95 and 6,367,381.30 is: 9,552,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,720,121.30 : 32,584,555.95 = 6,367,381.30 : x
  2. Step 2: Convert to fraction form
    21,720,121.30/32,584,555.95 = 6,367,381.30/x
  3. Step 3: Cross multiply
    21,720,121.30x = 32,584,555.95 × 6,367,381.30
  4. Step 4: Simplify right side
    21,720,121.30x = 207,478,292,224,833.72
  5. Step 5: Solve for x
    x = 207,478,292,224,833.72/21,720,121.30
  6. Step 6: Final answer
    x = 9,552,354.21

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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.