Home / 47,278,401.60-70,917,602.40-16,987,252.80

Finding the Fourth Proportional to 47,278,401.60, 70,917,602.40 and 16,987,252.80

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Solution

The fourth proportional to 47,278,401.60, 70,917,602.40 and 16,987,252.80 is: 25,480,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,278,401.60 : 70,917,602.40 = 16,987,252.80 : x
  2. Step 2: Convert to fraction form
    47,278,401.60/70,917,602.40 = 16,987,252.80/x
  3. Step 3: Cross multiply
    47,278,401.60x = 70,917,602.40 × 16,987,252.80
  4. Step 4: Simplify right side
    47,278,401.60x = 1,204,695,239,938,686.75
  5. Step 5: Solve for x
    x = 1,204,695,239,938,686.75/47,278,401.60
  6. Step 6: Final answer
    x = 25,480,879.20

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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.