Home / 31,700,275.68-47,548,591.80-18,828,189

Finding the Fourth Proportional to 31,700,275.68, 47,548,591.80 and 18,828,189

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Solution

The fourth proportional to 31,700,275.68, 47,548,591.80 and 18,828,189 is: 28,241,201.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,700,275.68 : 47,548,591.80 = 18,828,189 : x
  2. Step 2: Convert to fraction form
    31,700,275.68/47,548,591.80 = 18,828,189/x
  3. Step 3: Cross multiply
    31,700,275.68x = 47,548,591.80 × 18,828,189
  4. Step 4: Simplify right side
    31,700,275.68x = 895,253,873,094,250.12
  5. Step 5: Solve for x
    x = 895,253,873,094,250.12/31,700,275.68
  6. Step 6: Final answer
    x = 28,241,201.50

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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.