Home / 5,151,155.95-7,108,622.67-3,218,537.26

Finding the Fourth Proportional to 5,151,155.95, 7,108,622.67 and 3,218,537.26

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Solution

The fourth proportional to 5,151,155.95, 7,108,622.67 and 3,218,537.26 is: 4,441,598.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,155.95 : 7,108,622.67 = 3,218,537.26 : x
  2. Step 2: Convert to fraction form
    5,151,155.95/7,108,622.67 = 3,218,537.26/x
  3. Step 3: Cross multiply
    5,151,155.95x = 7,108,622.67 × 3,218,537.26
  4. Step 4: Simplify right side
    5,151,155.95x = 22,879,366,930,675.68
  5. Step 5: Solve for x
    x = 22,879,366,930,675.68/5,151,155.95
  6. Step 6: Final answer
    x = 4,441,598.58

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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.