Home / 15,729,417.20-23,594,903.40-8,171,145.20

Finding the Fourth Proportional to 15,729,417.20, 23,594,903.40 and 8,171,145.20

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Solution

The fourth proportional to 15,729,417.20, 23,594,903.40 and 8,171,145.20 is: 12,257,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729,417.20 : 23,594,903.40 = 8,171,145.20 : x
  2. Step 2: Convert to fraction form
    15,729,417.20/23,594,903.40 = 8,171,145.20/x
  3. Step 3: Cross multiply
    15,729,417.20x = 23,594,903.40 × 8,171,145.20
  4. Step 4: Simplify right side
    15,729,417.20x = 192,797,381,661,373.69
  5. Step 5: Solve for x
    x = 192,797,381,661,373.69/15,729,417.20
  6. Step 6: Final answer
    x = 12,257,121.75

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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.