Home / 7,879,756.91-10,875,755.25-4,977,301.73

Finding the Fourth Proportional to 7,879,756.91, 10,875,755.25 and 4,977,301.73

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Solution

The fourth proportional to 7,879,756.91, 10,875,755.25 and 4,977,301.73 is: 6,869,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879,756.91 : 10,875,755.25 = 4,977,301.73 : x
  2. Step 2: Convert to fraction form
    7,879,756.91/10,875,755.25 = 4,977,301.73/x
  3. Step 3: Cross multiply
    7,879,756.91x = 10,875,755.25 × 4,977,301.73
  4. Step 4: Simplify right side
    7,879,756.91x = 54,131,915,366,502.80
  5. Step 5: Solve for x
    x = 54,131,915,366,502.80/7,879,756.91
  6. Step 6: Final answer
    x = 6,869,744.34

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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.