Home / 27,739,494.64-38,283,384-15,979,169.44

Finding the Fourth Proportional to 27,739,494.64, 38,283,384 and 15,979,169.44

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Solution

The fourth proportional to 27,739,494.64, 38,283,384 and 15,979,169.44 is: 22,052,913.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,739,494.64 : 38,283,384 = 15,979,169.44 : x
  2. Step 2: Convert to fraction form
    27,739,494.64/38,283,384 = 15,979,169.44/x
  3. Step 3: Cross multiply
    27,739,494.64x = 38,283,384 × 15,979,169.44
  4. Step 4: Simplify right side
    27,739,494.64x = 611,736,679,672,585
  5. Step 5: Solve for x
    x = 611,736,679,672,585/27,739,494.64
  6. Step 6: Final answer
    x = 22,052,913.64

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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.