Home / 20,493,040.80-30,739,561.20-5,346,972.30

Finding the Fourth Proportional to 20,493,040.80, 30,739,561.20 and 5,346,972.30

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Solution

The fourth proportional to 20,493,040.80, 30,739,561.20 and 5,346,972.30 is: 8,020,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493,040.80 : 30,739,561.20 = 5,346,972.30 : x
  2. Step 2: Convert to fraction form
    20,493,040.80/30,739,561.20 = 5,346,972.30/x
  3. Step 3: Cross multiply
    20,493,040.80x = 30,739,561.20 × 5,346,972.30
  4. Step 4: Simplify right side
    20,493,040.80x = 164,363,582,250,554.75
  5. Step 5: Solve for x
    x = 164,363,582,250,554.75/20,493,040.80
  6. Step 6: Final answer
    x = 8,020,458.45

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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.