Home / 7,242,005.20-10,863,007.80-2,193,315.70

Finding the Fourth Proportional to 7,242,005.20, 10,863,007.80 and 2,193,315.70

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Solution

The fourth proportional to 7,242,005.20, 10,863,007.80 and 2,193,315.70 is: 3,289,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,005.20 : 10,863,007.80 = 2,193,315.70 : x
  2. Step 2: Convert to fraction form
    7,242,005.20/10,863,007.80 = 2,193,315.70/x
  3. Step 3: Cross multiply
    7,242,005.20x = 10,863,007.80 × 2,193,315.70
  4. Step 4: Simplify right side
    7,242,005.20x = 23,826,005,556,962.46
  5. Step 5: Solve for x
    x = 23,826,005,556,962.46/7,242,005.20
  6. Step 6: Final answer
    x = 3,289,973.55

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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.