Home / 20,803,304.82-31,206,240.27-8,023,643.22

Finding the Fourth Proportional to 20,803,304.82, 31,206,240.27 and 8,023,643.22

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Solution

The fourth proportional to 20,803,304.82, 31,206,240.27 and 8,023,643.22 is: 12,035,959.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803,304.82 : 31,206,240.27 = 8,023,643.22 : x
  2. Step 2: Convert to fraction form
    20,803,304.82/31,206,240.27 = 8,023,643.22/x
  3. Step 3: Cross multiply
    20,803,304.82x = 31,206,240.27 × 8,023,643.22
  4. Step 4: Simplify right side
    20,803,304.82x = 250,387,738,164,076.47
  5. Step 5: Solve for x
    x = 250,387,738,164,076.47/20,803,304.82
  6. Step 6: Final answer
    x = 12,035,959.69

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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.