Home / 7,155,329.13-9,874,406.25-3,892,172.04

Finding the Fourth Proportional to 7,155,329.13, 9,874,406.25 and 3,892,172.04

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Solution

The fourth proportional to 7,155,329.13, 9,874,406.25 and 3,892,172.04 is: 5,371,225.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155,329.13 : 9,874,406.25 = 3,892,172.04 : x
  2. Step 2: Convert to fraction form
    7,155,329.13/9,874,406.25 = 3,892,172.04/x
  3. Step 3: Cross multiply
    7,155,329.13x = 9,874,406.25 × 3,892,172.04
  4. Step 4: Simplify right side
    7,155,329.13x = 38,432,887,917,851.25
  5. Step 5: Solve for x
    x = 38,432,887,917,851.25/7,155,329.13
  6. Step 6: Final answer
    x = 5,371,225.73

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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.