Home / 47,278,393.60-70,917,590.40-16,987,244.80

Finding the Fourth Proportional to 47,278,393.60, 70,917,590.40 and 16,987,244.80

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Solution

The fourth proportional to 47,278,393.60, 70,917,590.40 and 16,987,244.80 is: 25,480,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,278,393.60 : 70,917,590.40 = 16,987,244.80 : x
  2. Step 2: Convert to fraction form
    47,278,393.60/70,917,590.40 = 16,987,244.80/x
  3. Step 3: Cross multiply
    47,278,393.60x = 70,917,590.40 × 16,987,244.80
  4. Step 4: Simplify right side
    47,278,393.60x = 1,204,694,468,750,930
  5. Step 5: Solve for x
    x = 1,204,694,468,750,930/47,278,393.60
  6. Step 6: Final answer
    x = 25,480,867.20

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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.