Home / 20,536,468.80-30,804,703.20-5,391,931.20

Finding the Fourth Proportional to 20,536,468.80, 30,804,703.20 and 5,391,931.20

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Solution

The fourth proportional to 20,536,468.80, 30,804,703.20 and 5,391,931.20 is: 8,087,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536,468.80 : 30,804,703.20 = 5,391,931.20 : x
  2. Step 2: Convert to fraction form
    20,536,468.80/30,804,703.20 = 5,391,931.20/x
  3. Step 3: Cross multiply
    20,536,468.80x = 30,804,703.20 × 5,391,931.20
  4. Step 4: Simplify right side
    20,536,468.80x = 166,096,840,290,819.84
  5. Step 5: Solve for x
    x = 166,096,840,290,819.84/20,536,468.80
  6. Step 6: Final answer
    x = 8,087,896.80

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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.