Home / 20,655,506.13-28,502,841.38-11,954,218.02

Finding the Fourth Proportional to 20,655,506.13, 28,502,841.38 and 11,954,218.02

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Solution

The fourth proportional to 20,655,506.13, 28,502,841.38 and 11,954,218.02 is: 16,495,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,655,506.13 : 28,502,841.38 = 11,954,218.02 : x
  2. Step 2: Convert to fraction form
    20,655,506.13/28,502,841.38 = 11,954,218.02/x
  3. Step 3: Cross multiply
    20,655,506.13x = 28,502,841.38 × 11,954,218.02
  4. Step 4: Simplify right side
    20,655,506.13x = 340,729,179,986,226.56
  5. Step 5: Solve for x
    x = 340,729,179,986,226.56/20,655,506.13
  6. Step 6: Final answer
    x = 16,495,803.97

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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.