Home / 12,650,220.36-18,983,138.13-4,972,521.76

Finding the Fourth Proportional to 12,650,220.36, 18,983,138.13 and 4,972,521.76

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Solution

The fourth proportional to 12,650,220.36, 18,983,138.13 and 4,972,521.76 is: 7,461,851.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650,220.36 : 18,983,138.13 = 4,972,521.76 : x
  2. Step 2: Convert to fraction form
    12,650,220.36/18,983,138.13 = 4,972,521.76/x
  3. Step 3: Cross multiply
    12,650,220.36x = 18,983,138.13 × 4,972,521.76
  4. Step 4: Simplify right side
    12,650,220.36x = 94,394,067,377,052.86
  5. Step 5: Solve for x
    x = 94,394,067,377,052.86/12,650,220.36
  6. Step 6: Final answer
    x = 7,461,851.63

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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.