Home / 20,222,528.30-30,333,792.45-7,440,388.10

Finding the Fourth Proportional to 20,222,528.30, 30,333,792.45 and 7,440,388.10

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Solution

The fourth proportional to 20,222,528.30, 30,333,792.45 and 7,440,388.10 is: 11,160,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222,528.30 : 30,333,792.45 = 7,440,388.10 : x
  2. Step 2: Convert to fraction form
    20,222,528.30/30,333,792.45 = 7,440,388.10/x
  3. Step 3: Cross multiply
    20,222,528.30x = 30,333,792.45 × 7,440,388.10
  4. Step 4: Simplify right side
    20,222,528.30x = 225,695,188,372,849.84
  5. Step 5: Solve for x
    x = 225,695,188,372,849.84/20,222,528.30
  6. Step 6: Final answer
    x = 11,160,582.15

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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.