Home / 21,448,769.28-29,599,587.18-11,659,363.62

Finding the Fourth Proportional to 21,448,769.28, 29,599,587.18 and 11,659,363.62

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Solution

The fourth proportional to 21,448,769.28, 29,599,587.18 and 11,659,363.62 is: 16,090,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448,769.28 : 29,599,587.18 = 11,659,363.62 : x
  2. Step 2: Convert to fraction form
    21,448,769.28/29,599,587.18 = 11,659,363.62/x
  3. Step 3: Cross multiply
    21,448,769.28x = 29,599,587.18 × 11,659,363.62
  4. Step 4: Simplify right side
    21,448,769.28x = 345,112,349,933,510.38
  5. Step 5: Solve for x
    x = 345,112,349,933,510.38/21,448,769.28
  6. Step 6: Final answer
    x = 16,090,077.03

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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.