Home / 21,860,591.12-30,170,275.62-12,693,233.88

Finding the Fourth Proportional to 21,860,591.12, 30,170,275.62 and 12,693,233.88

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Solution

The fourth proportional to 21,860,591.12, 30,170,275.62 and 12,693,233.88 is: 17,518,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860,591.12 : 30,170,275.62 = 12,693,233.88 : x
  2. Step 2: Convert to fraction form
    21,860,591.12/30,170,275.62 = 12,693,233.88/x
  3. Step 3: Cross multiply
    21,860,591.12x = 30,170,275.62 × 12,693,233.88
  4. Step 4: Simplify right side
    21,860,591.12x = 382,958,364,668,722.06
  5. Step 5: Solve for x
    x = 382,958,364,668,722.06/21,860,591.12
  6. Step 6: Final answer
    x = 17,518,207.20

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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.