Home / 15,493,811.20-23,240,716.80-8,319,357.70

Finding the Fourth Proportional to 15,493,811.20, 23,240,716.80 and 8,319,357.70

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Solution

The fourth proportional to 15,493,811.20, 23,240,716.80 and 8,319,357.70 is: 12,479,036.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,493,811.20 : 23,240,716.80 = 8,319,357.70 : x
  2. Step 2: Convert to fraction form
    15,493,811.20/23,240,716.80 = 8,319,357.70/x
  3. Step 3: Cross multiply
    15,493,811.20x = 23,240,716.80 × 8,319,357.70
  4. Step 4: Simplify right side
    15,493,811.20x = 193,347,836,263,599.38
  5. Step 5: Solve for x
    x = 193,347,836,263,599.38/15,493,811.20
  6. Step 6: Final answer
    x = 12,479,036.55

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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.