Home / 12,296,013.20-18,444,019.80-8,049,280.40

Finding the Fourth Proportional to 12,296,013.20, 18,444,019.80 and 8,049,280.40

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Solution

The fourth proportional to 12,296,013.20, 18,444,019.80 and 8,049,280.40 is: 12,073,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,013.20 : 18,444,019.80 = 8,049,280.40 : x
  2. Step 2: Convert to fraction form
    12,296,013.20/18,444,019.80 = 8,049,280.40/x
  3. Step 3: Cross multiply
    12,296,013.20x = 18,444,019.80 × 8,049,280.40
  4. Step 4: Simplify right side
    12,296,013.20x = 148,461,087,073,351.94
  5. Step 5: Solve for x
    x = 148,461,087,073,351.94/12,296,013.20
  6. Step 6: Final answer
    x = 12,073,920.60

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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.