Home / 20,181,007.90-30,271,511.85-20,055,036.70

Finding the Fourth Proportional to 20,181,007.90, 30,271,511.85 and 20,055,036.70

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Solution

The fourth proportional to 20,181,007.90, 30,271,511.85 and 20,055,036.70 is: 30,082,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181,007.90 : 30,271,511.85 = 20,055,036.70 : x
  2. Step 2: Convert to fraction form
    20,181,007.90/30,271,511.85 = 20,055,036.70/x
  3. Step 3: Cross multiply
    20,181,007.90x = 30,271,511.85 × 20,055,036.70
  4. Step 4: Simplify right side
    20,181,007.90x = 607,096,281,116,234.88
  5. Step 5: Solve for x
    x = 607,096,281,116,234.88/20,181,007.90
  6. Step 6: Final answer
    x = 30,082,555.05

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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.