Home / 15,176,965.08-20,943,965.70-8,301,387

Finding the Fourth Proportional to 15,176,965.08, 20,943,965.70 and 8,301,387

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Solution

The fourth proportional to 15,176,965.08, 20,943,965.70 and 8,301,387 is: 11,455,779.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,176,965.08 : 20,943,965.70 = 8,301,387 : x
  2. Step 2: Convert to fraction form
    15,176,965.08/20,943,965.70 = 8,301,387/x
  3. Step 3: Cross multiply
    15,176,965.08x = 20,943,965.70 × 8,301,387
  4. Step 4: Simplify right side
    15,176,965.08x = 173,863,964,590,425.91
  5. Step 5: Solve for x
    x = 173,863,964,590,425.91/15,176,965.08
  6. Step 6: Final answer
    x = 11,455,779.44

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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.