Home / 13,423,843.54-18,524,306.48-7,842,607.26

Finding the Fourth Proportional to 13,423,843.54, 18,524,306.48 and 7,842,607.26

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Solution

The fourth proportional to 13,423,843.54, 18,524,306.48 and 7,842,607.26 is: 10,822,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423,843.54 : 18,524,306.48 = 7,842,607.26 : x
  2. Step 2: Convert to fraction form
    13,423,843.54/18,524,306.48 = 7,842,607.26/x
  3. Step 3: Cross multiply
    13,423,843.54x = 18,524,306.48 × 7,842,607.26
  4. Step 4: Simplify right side
    13,423,843.54x = 145,278,860,486,513.03
  5. Step 5: Solve for x
    x = 145,278,860,486,513.03/13,423,843.54
  6. Step 6: Final answer
    x = 10,822,448.88

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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.