Home / 20,932,953.40-31,395,282.90-10,150,233.40

Finding the Fourth Proportional to 20,932,953.40, 31,395,282.90 and 10,150,233.40

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Solution

The fourth proportional to 20,932,953.40, 31,395,282.90 and 10,150,233.40 is: 15,223,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,932,953.40 : 31,395,282.90 = 10,150,233.40 : x
  2. Step 2: Convert to fraction form
    20,932,953.40/31,395,282.90 = 10,150,233.40/x
  3. Step 3: Cross multiply
    20,932,953.40x = 31,395,282.90 × 10,150,233.40
  4. Step 4: Simplify right side
    20,932,953.40x = 318,669,449,094,028.88
  5. Step 5: Solve for x
    x = 318,669,449,094,028.88/20,932,953.40
  6. Step 6: Final answer
    x = 15,223,339.15

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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.