Home / 19,571,229.20-29,356,843.80-11,918,478.80

Finding the Fourth Proportional to 19,571,229.20, 29,356,843.80 and 11,918,478.80

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Solution

The fourth proportional to 19,571,229.20, 29,356,843.80 and 11,918,478.80 is: 17,877,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571,229.20 : 29,356,843.80 = 11,918,478.80 : x
  2. Step 2: Convert to fraction form
    19,571,229.20/29,356,843.80 = 11,918,478.80/x
  3. Step 3: Cross multiply
    19,571,229.20x = 29,356,843.80 × 11,918,478.80
  4. Step 4: Simplify right side
    19,571,229.20x = 349,888,920,465,211.50
  5. Step 5: Solve for x
    x = 349,888,920,465,211.50/19,571,229.20
  6. Step 6: Final answer
    x = 17,877,718.20

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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.