Home / 20,154,528.30-30,231,792.45-11,053,109.10

Finding the Fourth Proportional to 20,154,528.30, 30,231,792.45 and 11,053,109.10

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Solution

The fourth proportional to 20,154,528.30, 30,231,792.45 and 11,053,109.10 is: 16,579,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154,528.30 : 30,231,792.45 = 11,053,109.10 : x
  2. Step 2: Convert to fraction form
    20,154,528.30/30,231,792.45 = 11,053,109.10/x
  3. Step 3: Cross multiply
    20,154,528.30x = 30,231,792.45 × 11,053,109.10
  4. Step 4: Simplify right side
    20,154,528.30x = 334,155,300,238,406.25
  5. Step 5: Solve for x
    x = 334,155,300,238,406.25/20,154,528.30
  6. Step 6: Final answer
    x = 16,579,663.65

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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.