Home / 14,995,854.90-20,694,274.71-8,120,336.97

Finding the Fourth Proportional to 14,995,854.90, 20,694,274.71 and 8,120,336.97

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Solution

The fourth proportional to 14,995,854.90, 20,694,274.71 and 8,120,336.97 is: 11,206,062.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995,854.90 : 20,694,274.71 = 8,120,336.97 : x
  2. Step 2: Convert to fraction form
    14,995,854.90/20,694,274.71 = 8,120,336.97/x
  3. Step 3: Cross multiply
    14,995,854.90x = 20,694,274.71 × 8,120,336.97
  4. Step 4: Simplify right side
    14,995,854.90x = 168,044,483,994,949.03
  5. Step 5: Solve for x
    x = 168,044,483,994,949.03/14,995,854.90
  6. Step 6: Final answer
    x = 11,206,062.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.