Home / 21,540,080.28-29,725,269.26-11,750,521.56

Finding the Fourth Proportional to 21,540,080.28, 29,725,269.26 and 11,750,521.56

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Solution

The fourth proportional to 21,540,080.28, 29,725,269.26 and 11,750,521.56 is: 16,215,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,540,080.28 : 29,725,269.26 = 11,750,521.56 : x
  2. Step 2: Convert to fraction form
    21,540,080.28/29,725,269.26 = 11,750,521.56/x
  3. Step 3: Cross multiply
    21,540,080.28x = 29,725,269.26 × 11,750,521.56
  4. Step 4: Simplify right side
    21,540,080.28x = 349,287,417,316,435.25
  5. Step 5: Solve for x
    x = 349,287,417,316,435.25/21,540,080.28
  6. Step 6: Final answer
    x = 16,215,697.10

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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.