Home / 20,585,067.40-30,877,601.10-9,247,659.40

Finding the Fourth Proportional to 20,585,067.40, 30,877,601.10 and 9,247,659.40

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Solution

The fourth proportional to 20,585,067.40, 30,877,601.10 and 9,247,659.40 is: 13,871,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,585,067.40 : 30,877,601.10 = 9,247,659.40 : x
  2. Step 2: Convert to fraction form
    20,585,067.40/30,877,601.10 = 9,247,659.40/x
  3. Step 3: Cross multiply
    20,585,067.40x = 30,877,601.10 × 9,247,659.40
  4. Step 4: Simplify right side
    20,585,067.40x = 285,545,538,061,865.38
  5. Step 5: Solve for x
    x = 285,545,538,061,865.38/20,585,067.40
  6. Step 6: Final answer
    x = 13,871,489.10

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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.