Home / 21,860,592.12-30,170,277-12,693,234.88

Finding the Fourth Proportional to 21,860,592.12, 30,170,277 and 12,693,234.88

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Solution

The fourth proportional to 21,860,592.12, 30,170,277 and 12,693,234.88 is: 17,518,208.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860,592.12 : 30,170,277 = 12,693,234.88 : x
  2. Step 2: Convert to fraction form
    21,860,592.12/30,170,277 = 12,693,234.88/x
  3. Step 3: Cross multiply
    21,860,592.12x = 30,170,277 × 12,693,234.88
  4. Step 4: Simplify right side
    21,860,592.12x = 382,958,412,355,661.81
  5. Step 5: Solve for x
    x = 382,958,412,355,661.81/21,860,592.12
  6. Step 6: Final answer
    x = 17,518,208.58

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1.5x scale

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.