Home / 12,581,209.20-18,843,820.20-10,341,721.20

Finding the Fourth Proportional to 12,581,209.20, 18,843,820.20 and 10,341,721.20

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Solution

The fourth proportional to 12,581,209.20, 18,843,820.20 and 10,341,721.20 is: 15,489,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581,209.20 : 18,843,820.20 = 10,341,721.20 : x
  2. Step 2: Convert to fraction form
    12,581,209.20/18,843,820.20 = 10,341,721.20/x
  3. Step 3: Cross multiply
    12,581,209.20x = 18,843,820.20 × 10,341,721.20
  4. Step 4: Simplify right side
    12,581,209.20x = 194,877,534,851,328.22
  5. Step 5: Solve for x
    x = 194,877,534,851,328.22/12,581,209.20
  6. Step 6: Final answer
    x = 15,489,571.13

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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.