Home / 7,810,400.90-11,668,105.11-5,055,506.71

Finding the Fourth Proportional to 7,810,400.90, 11,668,105.11 and 5,055,506.71

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Solution

The fourth proportional to 7,810,400.90, 11,668,105.11 and 5,055,506.71 is: 7,552,516.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810,400.90 : 11,668,105.11 = 5,055,506.71 : x
  2. Step 2: Convert to fraction form
    7,810,400.90/11,668,105.11 = 5,055,506.71/x
  3. Step 3: Cross multiply
    7,810,400.90x = 11,668,105.11 × 5,055,506.71
  4. Step 4: Simplify right side
    7,810,400.90x = 58,988,183,689,357.95
  5. Step 5: Solve for x
    x = 58,988,183,689,357.95/7,810,400.90
  6. Step 6: Final answer
    x = 7,552,516.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.