Home / 7,179,099.60-10,774,524.60-7,123,112.40

Finding the Fourth Proportional to 7,179,099.60, 10,774,524.60 and 7,123,112.40

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Solution

The fourth proportional to 7,179,099.60, 10,774,524.60 and 7,123,112.40 is: 10,690,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,099.60 : 10,774,524.60 = 7,123,112.40 : x
  2. Step 2: Convert to fraction form
    7,179,099.60/10,774,524.60 = 7,123,112.40/x
  3. Step 3: Cross multiply
    7,179,099.60x = 10,774,524.60 × 7,123,112.40
  4. Step 4: Simplify right side
    7,179,099.60x = 76,748,149,782,365.05
  5. Step 5: Solve for x
    x = 76,748,149,782,365.05/7,179,099.60
  6. Step 6: Final answer
    x = 10,690,497.98

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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.