Home / 10,985,160.20-16,480,850.70-3,412,891.40

Finding the Fourth Proportional to 10,985,160.20, 16,480,850.70 and 3,412,891.40

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Solution

The fourth proportional to 10,985,160.20, 16,480,850.70 and 3,412,891.40 is: 5,120,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985,160.20 : 16,480,850.70 = 3,412,891.40 : x
  2. Step 2: Convert to fraction form
    10,985,160.20/16,480,850.70 = 3,412,891.40/x
  3. Step 3: Cross multiply
    10,985,160.20x = 16,480,850.70 × 3,412,891.40
  4. Step 4: Simplify right side
    10,985,160.20x = 56,247,353,618,713.98
  5. Step 5: Solve for x
    x = 56,247,353,618,713.98/10,985,160.20
  6. Step 6: Final answer
    x = 5,120,303.45

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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.