Home / 20,494,142.29-28,281,867.56-11,673,592.21

Finding the Fourth Proportional to 20,494,142.29, 28,281,867.56 and 11,673,592.21

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Solution

The fourth proportional to 20,494,142.29, 28,281,867.56 and 11,673,592.21 is: 16,109,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494,142.29 : 28,281,867.56 = 11,673,592.21 : x
  2. Step 2: Convert to fraction form
    20,494,142.29/28,281,867.56 = 11,673,592.21/x
  3. Step 3: Cross multiply
    20,494,142.29x = 28,281,867.56 × 11,673,592.21
  4. Step 4: Simplify right side
    20,494,142.29x = 330,150,988,774,299.75
  5. Step 5: Solve for x
    x = 330,150,988,774,299.75/20,494,142.29
  6. Step 6: Final answer
    x = 16,109,529.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.