Home / 13,423,824.03-18,524,279.63-7,842,587.88

Finding the Fourth Proportional to 13,423,824.03, 18,524,279.63 and 7,842,587.88

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Solution

The fourth proportional to 13,423,824.03, 18,524,279.63 and 7,842,587.88 is: 10,822,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423,824.03 : 18,524,279.63 = 7,842,587.88 : x
  2. Step 2: Convert to fraction form
    13,423,824.03/18,524,279.63 = 7,842,587.88/x
  3. Step 3: Cross multiply
    13,423,824.03x = 18,524,279.63 × 7,842,587.88
  4. Step 4: Simplify right side
    13,423,824.03x = 145,278,290,872,755.94
  5. Step 5: Solve for x
    x = 145,278,290,872,755.94/13,423,824.03
  6. Step 6: Final answer
    x = 10,822,422.18

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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.