Home / 20,212,313.40-30,318,470.10-5,835,850.20

Finding the Fourth Proportional to 20,212,313.40, 30,318,470.10 and 5,835,850.20

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Solution

The fourth proportional to 20,212,313.40, 30,318,470.10 and 5,835,850.20 is: 8,753,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212,313.40 : 30,318,470.10 = 5,835,850.20 : x
  2. Step 2: Convert to fraction form
    20,212,313.40/30,318,470.10 = 5,835,850.20/x
  3. Step 3: Cross multiply
    20,212,313.40x = 30,318,470.10 × 5,835,850.20
  4. Step 4: Simplify right side
    20,212,313.40x = 176,934,049,796,779.03
  5. Step 5: Solve for x
    x = 176,934,049,796,779.03/20,212,313.40
  6. Step 6: Final answer
    x = 8,753,775.30

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1.5x scale

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.