Home / 7,388,720.80-11,083,081.20-4,867,223.20

Finding the Fourth Proportional to 7,388,720.80, 11,083,081.20 and 4,867,223.20

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Solution

The fourth proportional to 7,388,720.80, 11,083,081.20 and 4,867,223.20 is: 7,300,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388,720.80 : 11,083,081.20 = 4,867,223.20 : x
  2. Step 2: Convert to fraction form
    7,388,720.80/11,083,081.20 = 4,867,223.20/x
  3. Step 3: Cross multiply
    7,388,720.80x = 11,083,081.20 × 4,867,223.20
  4. Step 4: Simplify right side
    7,388,720.80x = 53,943,829,944,123.84
  5. Step 5: Solve for x
    x = 53,943,829,944,123.84/7,388,720.80
  6. Step 6: Final answer
    x = 7,300,834.80

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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.