Home / 5,128,947.15-7,693,420.73-4,892,751.15

Finding the Fourth Proportional to 5,128,947.15, 7,693,420.73 and 4,892,751.15

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Solution

The fourth proportional to 5,128,947.15, 7,693,420.73 and 4,892,751.15 is: 7,339,126.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,947.15 : 7,693,420.73 = 4,892,751.15 : x
  2. Step 2: Convert to fraction form
    5,128,947.15/7,693,420.73 = 4,892,751.15/x
  3. Step 3: Cross multiply
    5,128,947.15x = 7,693,420.73 × 4,892,751.15
  4. Step 4: Simplify right side
    5,128,947.15x = 37,641,993,099,677.59
  5. Step 5: Solve for x
    x = 37,641,993,099,677.59/5,128,947.15
  6. Step 6: Final answer
    x = 7,339,126.73

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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.