Home / 7,642,287.78-10,546,356.78-4,204,455

Finding the Fourth Proportional to 7,642,287.78, 10,546,356.78 and 4,204,455

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Solution

The fourth proportional to 7,642,287.78, 10,546,356.78 and 4,204,455 is: 5,802,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642,287.78 : 10,546,356.78 = 4,204,455 : x
  2. Step 2: Convert to fraction form
    7,642,287.78/10,546,356.78 = 4,204,455/x
  3. Step 3: Cross multiply
    7,642,287.78x = 10,546,356.78 × 4,204,455
  4. Step 4: Simplify right side
    7,642,287.78x = 44,341,682,495,454.90
  5. Step 5: Solve for x
    x = 44,341,682,495,454.90/7,642,287.78
  6. Step 6: Final answer
    x = 5,802,147.70

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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.