Home / 20,932,031.23-31,399,541.52-5,579,240.48

Finding the Fourth Proportional to 20,932,031.23, 31,399,541.52 and 5,579,240.48

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Solution

The fourth proportional to 20,932,031.23, 31,399,541.52 and 5,579,240.48 is: 8,369,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,932,031.23 : 31,399,541.52 = 5,579,240.48 : x
  2. Step 2: Convert to fraction form
    20,932,031.23/31,399,541.52 = 5,579,240.48/x
  3. Step 3: Cross multiply
    20,932,031.23x = 31,399,541.52 × 5,579,240.48
  4. Step 4: Simplify right side
    20,932,031.23x = 175,185,593,101,824.75
  5. Step 5: Solve for x
    x = 175,185,593,101,824.75/20,932,031.23
  6. Step 6: Final answer
    x = 8,369,259.11

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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.