Home / 9,196,720.48-12,690,172.56-5,222,854

Finding the Fourth Proportional to 9,196,720.48, 12,690,172.56 and 5,222,854

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Solution

The fourth proportional to 9,196,720.48, 12,690,172.56 and 5,222,854 is: 7,206,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,196,720.48 : 12,690,172.56 = 5,222,854 : x
  2. Step 2: Convert to fraction form
    9,196,720.48/12,690,172.56 = 5,222,854/x
  3. Step 3: Cross multiply
    9,196,720.48x = 12,690,172.56 × 5,222,854
  4. Step 4: Simplify right side
    9,196,720.48x = 66,278,918,515,686.24
  5. Step 5: Solve for x
    x = 66,278,918,515,686.24/9,196,720.48
  6. Step 6: Final answer
    x = 7,206,799.28

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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.