Home / 7,280,770.40-10,921,155.60-5,013,288.80

Finding the Fourth Proportional to 7,280,770.40, 10,921,155.60 and 5,013,288.80

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Solution

The fourth proportional to 7,280,770.40, 10,921,155.60 and 5,013,288.80 is: 7,519,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,770.40 : 10,921,155.60 = 5,013,288.80 : x
  2. Step 2: Convert to fraction form
    7,280,770.40/10,921,155.60 = 5,013,288.80/x
  3. Step 3: Cross multiply
    7,280,770.40x = 10,921,155.60 × 5,013,288.80
  4. Step 4: Simplify right side
    7,280,770.40x = 54,750,907,052,537.27
  5. Step 5: Solve for x
    x = 54,750,907,052,537.27/7,280,770.40
  6. Step 6: Final answer
    x = 7,519,933.20

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Similar ratio
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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.