Home / 7,808,725.78-11,697,834.33-5,379,449.92

Finding the Fourth Proportional to 7,808,725.78, 11,697,834.33 and 5,379,449.92

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Solution

The fourth proportional to 7,808,725.78, 11,697,834.33 and 5,379,449.92 is: 8,058,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808,725.78 : 11,697,834.33 = 5,379,449.92 : x
  2. Step 2: Convert to fraction form
    7,808,725.78/11,697,834.33 = 5,379,449.92/x
  3. Step 3: Cross multiply
    7,808,725.78x = 11,697,834.33 × 5,379,449.92
  4. Step 4: Simplify right side
    7,808,725.78x = 62,927,913,950,691.75
  5. Step 5: Solve for x
    x = 62,927,913,950,691.75/7,808,725.78
  6. Step 6: Final answer
    x = 8,058,666.13

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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.