Home / 21,851,104.94-30,154,520.25-12,061,546.53

Finding the Fourth Proportional to 21,851,104.94, 30,154,520.25 and 12,061,546.53

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Solution

The fourth proportional to 21,851,104.94, 30,154,520.25 and 12,061,546.53 is: 16,644,931.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851,104.94 : 30,154,520.25 = 12,061,546.53 : x
  2. Step 2: Convert to fraction form
    21,851,104.94/30,154,520.25 = 12,061,546.53/x
  3. Step 3: Cross multiply
    21,851,104.94x = 30,154,520.25 × 12,061,546.53
  4. Step 4: Simplify right side
    21,851,104.94x = 363,710,149,108,843.50
  5. Step 5: Solve for x
    x = 363,710,149,108,843.50/21,851,104.94
  6. Step 6: Final answer
    x = 16,644,931.69

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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.