Home / 28,775,438.60-43,156,937.10-12,601,358.60

Finding the Fourth Proportional to 28,775,438.60, 43,156,937.10 and 12,601,358.60

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Solution

The fourth proportional to 28,775,438.60, 43,156,937.10 and 12,601,358.60 is: 18,899,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775,438.60 : 43,156,937.10 = 12,601,358.60 : x
  2. Step 2: Convert to fraction form
    28,775,438.60/43,156,937.10 = 12,601,358.60/x
  3. Step 3: Cross multiply
    28,775,438.60x = 43,156,937.10 × 12,601,358.60
  4. Step 4: Simplify right side
    28,775,438.60x = 543,836,040,474,744.06
  5. Step 5: Solve for x
    x = 543,836,040,474,744.06/28,775,438.60
  6. Step 6: Final answer
    x = 18,899,313.68

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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.