Home / 14,338,843.20-21,508,264.80-4,240,564.80

Finding the Fourth Proportional to 14,338,843.20, 21,508,264.80 and 4,240,564.80

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Solution

The fourth proportional to 14,338,843.20, 21,508,264.80 and 4,240,564.80 is: 6,360,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338,843.20 : 21,508,264.80 = 4,240,564.80 : x
  2. Step 2: Convert to fraction form
    14,338,843.20/21,508,264.80 = 4,240,564.80/x
  3. Step 3: Cross multiply
    14,338,843.20x = 21,508,264.80 × 4,240,564.80
  4. Step 4: Simplify right side
    14,338,843.20x = 91,207,190,619,959.05
  5. Step 5: Solve for x
    x = 91,207,190,619,959.05/14,338,843.20
  6. Step 6: Final answer
    x = 6,360,847.20

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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.