Home / 15,053,584.38-20,773,964.91-8,178,066.45

Finding the Fourth Proportional to 15,053,584.38, 20,773,964.91 and 8,178,066.45

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Solution

The fourth proportional to 15,053,584.38, 20,773,964.91 and 8,178,066.45 is: 11,285,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,053,584.38 : 20,773,964.91 = 8,178,066.45 : x
  2. Step 2: Convert to fraction form
    15,053,584.38/20,773,964.91 = 8,178,066.45/x
  3. Step 3: Cross multiply
    15,053,584.38x = 20,773,964.91 × 8,178,066.45
  4. Step 4: Simplify right side
    15,053,584.38x = 169,890,865,463,948.28
  5. Step 5: Solve for x
    x = 169,890,865,463,948.28/15,053,584.38
  6. Step 6: Final answer
    x = 11,285,741.73

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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.