Home / 9,248,021.20-13,872,031.80-7,344,456.40

Finding the Fourth Proportional to 9,248,021.20, 13,872,031.80 and 7,344,456.40

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Solution

The fourth proportional to 9,248,021.20, 13,872,031.80 and 7,344,456.40 is: 11,016,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,248,021.20 : 13,872,031.80 = 7,344,456.40 : x
  2. Step 2: Convert to fraction form
    9,248,021.20/13,872,031.80 = 7,344,456.40/x
  3. Step 3: Cross multiply
    9,248,021.20x = 13,872,031.80 × 7,344,456.40
  4. Step 4: Simplify right side
    9,248,021.20x = 101,882,532,734,513.53
  5. Step 5: Solve for x
    x = 101,882,532,734,513.53/9,248,021.20
  6. Step 6: Final answer
    x = 11,016,684.60

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Similar ratio
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1.5x scale

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.