Home / 28,880,138.60-43,320,207.90-28,040,330.60

Finding the Fourth Proportional to 28,880,138.60, 43,320,207.90 and 28,040,330.60

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Solution

The fourth proportional to 28,880,138.60, 43,320,207.90 and 28,040,330.60 is: 42,060,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880,138.60 : 43,320,207.90 = 28,040,330.60 : x
  2. Step 2: Convert to fraction form
    28,880,138.60/43,320,207.90 = 28,040,330.60/x
  3. Step 3: Cross multiply
    28,880,138.60x = 43,320,207.90 × 28,040,330.60
  4. Step 4: Simplify right side
    28,880,138.60x = 1,214,712,951,176,731.75
  5. Step 5: Solve for x
    x = 1,214,712,951,176,731.75/28,880,138.60
  6. Step 6: Final answer
    x = 42,060,495.90

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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.