Home / 12,948,021.20-19,444,150.20-8,480,104.40

Finding the Fourth Proportional to 12,948,021.20, 19,444,150.20 and 8,480,104.40

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Solution

The fourth proportional to 12,948,021.20, 19,444,150.20 and 8,480,104.40 is: 12,734,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,021.20 : 19,444,150.20 = 8,480,104.40 : x
  2. Step 2: Convert to fraction form
    12,948,021.20/19,444,150.20 = 8,480,104.40/x
  3. Step 3: Cross multiply
    12,948,021.20x = 19,444,150.20 × 8,480,104.40
  4. Step 4: Simplify right side
    12,948,021.20x = 164,888,423,665,280.88
  5. Step 5: Solve for x
    x = 164,888,423,665,280.88/12,948,021.20
  6. Step 6: Final answer
    x = 12,734,642.70

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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.