Home / 10,851,909.40-16,277,864.10-3,280,043.80

Finding the Fourth Proportional to 10,851,909.40, 16,277,864.10 and 3,280,043.80

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Solution

The fourth proportional to 10,851,909.40, 16,277,864.10 and 3,280,043.80 is: 4,920,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851,909.40 : 16,277,864.10 = 3,280,043.80 : x
  2. Step 2: Convert to fraction form
    10,851,909.40/16,277,864.10 = 3,280,043.80/x
  3. Step 3: Cross multiply
    10,851,909.40x = 16,277,864.10 × 3,280,043.80
  4. Step 4: Simplify right side
    10,851,909.40x = 53,392,107,218,447.58
  5. Step 5: Solve for x
    x = 53,392,107,218,447.58/10,851,909.40
  6. Step 6: Final answer
    x = 4,920,065.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.