Home / 20,667,302.20-31,000,953.30-5,314,562.20

Finding the Fourth Proportional to 20,667,302.20, 31,000,953.30 and 5,314,562.20

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Solution

The fourth proportional to 20,667,302.20, 31,000,953.30 and 5,314,562.20 is: 7,971,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,667,302.20 : 31,000,953.30 = 5,314,562.20 : x
  2. Step 2: Convert to fraction form
    20,667,302.20/31,000,953.30 = 5,314,562.20/x
  3. Step 3: Cross multiply
    20,667,302.20x = 31,000,953.30 × 5,314,562.20
  4. Step 4: Simplify right side
    20,667,302.20x = 164,756,494,572,145.28
  5. Step 5: Solve for x
    x = 164,756,494,572,145.28/20,667,302.20
  6. Step 6: Final answer
    x = 7,971,843.30

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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.