Home / 8,119,654.14-12,179,476.54-7,581,570.72

Finding the Fourth Proportional to 8,119,654.14, 12,179,476.54 and 7,581,570.72

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Solution

The fourth proportional to 8,119,654.14, 12,179,476.54 and 7,581,570.72 is: 11,372,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,654.14 : 12,179,476.54 = 7,581,570.72 : x
  2. Step 2: Convert to fraction form
    8,119,654.14/12,179,476.54 = 7,581,570.72/x
  3. Step 3: Cross multiply
    8,119,654.14x = 12,179,476.54 × 7,581,570.72
  4. Step 4: Simplify right side
    8,119,654.14x = 92,339,562,720,590.91
  5. Step 5: Solve for x
    x = 92,339,562,720,590.91/8,119,654.14
  6. Step 6: Final answer
    x = 11,372,351.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.