Home / 13,315,356.54-18,375,010.56-7,435,081.44

Finding the Fourth Proportional to 13,315,356.54, 18,375,010.56 and 7,435,081.44

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Solution

The fourth proportional to 13,315,356.54, 18,375,010.56 and 7,435,081.44 is: 10,260,311.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315,356.54 : 18,375,010.56 = 7,435,081.44 : x
  2. Step 2: Convert to fraction form
    13,315,356.54/18,375,010.56 = 7,435,081.44/x
  3. Step 3: Cross multiply
    13,315,356.54x = 18,375,010.56 × 7,435,081.44
  4. Step 4: Simplify right side
    13,315,356.54x = 136,619,699,974,460
  5. Step 5: Solve for x
    x = 136,619,699,974,460/13,315,356.54
  6. Step 6: Final answer
    x = 10,260,311.06

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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.