Home / 13,319,335.62-19,970,913.12-5,222,610.72

Finding the Fourth Proportional to 13,319,335.62, 19,970,913.12 and 5,222,610.72

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Solution

The fourth proportional to 13,319,335.62, 19,970,913.12 and 5,222,610.72 is: 7,830,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,335.62 : 19,970,913.12 = 5,222,610.72 : x
  2. Step 2: Convert to fraction form
    13,319,335.62/19,970,913.12 = 5,222,610.72/x
  3. Step 3: Cross multiply
    13,319,335.62x = 19,970,913.12 × 5,222,610.72
  4. Step 4: Simplify right side
    13,319,335.62x = 104,300,304,948,700.64
  5. Step 5: Solve for x
    x = 104,300,304,948,700.64/13,319,335.62
  6. Step 6: Final answer
    x = 7,830,743.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.