Home / 15,573,065.52-21,490,180.12-8,957,150.96

Finding the Fourth Proportional to 15,573,065.52, 21,490,180.12 and 8,957,150.96

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Solution

The fourth proportional to 15,573,065.52, 21,490,180.12 and 8,957,150.96 is: 12,360,494.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573,065.52 : 21,490,180.12 = 8,957,150.96 : x
  2. Step 2: Convert to fraction form
    15,573,065.52/21,490,180.12 = 8,957,150.96/x
  3. Step 3: Cross multiply
    15,573,065.52x = 21,490,180.12 × 8,957,150.96
  4. Step 4: Simplify right side
    15,573,065.52x = 192,490,787,466,674.75
  5. Step 5: Solve for x
    x = 192,490,787,466,674.75/15,573,065.52
  6. Step 6: Final answer
    x = 12,360,494.29

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1.5x scale

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.