Home / 7,207,031.28-9,945,549.48-3,943,832.88

Finding the Fourth Proportional to 7,207,031.28, 9,945,549.48 and 3,943,832.88

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Solution

The fourth proportional to 7,207,031.28, 9,945,549.48 and 3,943,832.88 is: 5,442,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,031.28 : 9,945,549.48 = 3,943,832.88 : x
  2. Step 2: Convert to fraction form
    7,207,031.28/9,945,549.48 = 3,943,832.88/x
  3. Step 3: Cross multiply
    7,207,031.28x = 9,945,549.48 × 3,943,832.88
  4. Step 4: Simplify right side
    7,207,031.28x = 39,223,585,048,890.91
  5. Step 5: Solve for x
    x = 39,223,585,048,890.91/7,207,031.28
  6. Step 6: Final answer
    x = 5,442,405.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.