Home / 7,312,998.60-10,969,497.90-5,506,099.20

Finding the Fourth Proportional to 7,312,998.60, 10,969,497.90 and 5,506,099.20

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Solution

The fourth proportional to 7,312,998.60, 10,969,497.90 and 5,506,099.20 is: 8,259,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312,998.60 : 10,969,497.90 = 5,506,099.20 : x
  2. Step 2: Convert to fraction form
    7,312,998.60/10,969,497.90 = 5,506,099.20/x
  3. Step 3: Cross multiply
    7,312,998.60x = 10,969,497.90 × 5,506,099.20
  4. Step 4: Simplify right side
    7,312,998.60x = 60,399,143,611,591.69
  5. Step 5: Solve for x
    x = 60,399,143,611,591.69/7,312,998.60
  6. Step 6: Final answer
    x = 8,259,148.80

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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.