Home / 10,780,302.60-16,170,453.90-10,000,855.80

Finding the Fourth Proportional to 10,780,302.60, 16,170,453.90 and 10,000,855.80

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Solution

The fourth proportional to 10,780,302.60, 16,170,453.90 and 10,000,855.80 is: 15,001,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,302.60 : 16,170,453.90 = 10,000,855.80 : x
  2. Step 2: Convert to fraction form
    10,780,302.60/16,170,453.90 = 10,000,855.80/x
  3. Step 3: Cross multiply
    10,780,302.60x = 16,170,453.90 × 10,000,855.80
  4. Step 4: Simplify right side
    10,780,302.60x = 161,718,377,674,447.62
  5. Step 5: Solve for x
    x = 161,718,377,674,447.62/10,780,302.60
  6. Step 6: Final answer
    x = 15,001,283.70

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1.5x scale

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.