Home / 20,597,429.80-30,896,144.70-5,452,892.20

Finding the Fourth Proportional to 20,597,429.80, 30,896,144.70 and 5,452,892.20

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Solution

The fourth proportional to 20,597,429.80, 30,896,144.70 and 5,452,892.20 is: 8,179,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597,429.80 : 30,896,144.70 = 5,452,892.20 : x
  2. Step 2: Convert to fraction form
    20,597,429.80/30,896,144.70 = 5,452,892.20/x
  3. Step 3: Cross multiply
    20,597,429.80x = 30,896,144.70 × 5,452,892.20
  4. Step 4: Simplify right side
    20,597,429.80x = 168,473,346,444,701.34
  5. Step 5: Solve for x
    x = 168,473,346,444,701.34/20,597,429.80
  6. Step 6: Final answer
    x = 8,179,338.30

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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.