Home / 26,298,049.60-39,447,074.40-7,128,775.90

Finding the Fourth Proportional to 26,298,049.60, 39,447,074.40 and 7,128,775.90

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Solution

The fourth proportional to 26,298,049.60, 39,447,074.40 and 7,128,775.90 is: 10,693,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,298,049.60 : 39,447,074.40 = 7,128,775.90 : x
  2. Step 2: Convert to fraction form
    26,298,049.60/39,447,074.40 = 7,128,775.90/x
  3. Step 3: Cross multiply
    26,298,049.60x = 39,447,074.40 × 7,128,775.90
  4. Step 4: Simplify right side
    26,298,049.60x = 281,209,353,308,226.97
  5. Step 5: Solve for x
    x = 281,209,353,308,226.97/26,298,049.60
  6. Step 6: Final answer
    x = 10,693,163.85

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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.