Home / 7,620,194.95-10,515,874.48-4,135,532.78

Finding the Fourth Proportional to 7,620,194.95, 10,515,874.48 and 4,135,532.78

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Solution

The fourth proportional to 7,620,194.95, 10,515,874.48 and 4,135,532.78 is: 5,707,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620,194.95 : 10,515,874.48 = 4,135,532.78 : x
  2. Step 2: Convert to fraction form
    7,620,194.95/10,515,874.48 = 4,135,532.78/x
  3. Step 3: Cross multiply
    7,620,194.95x = 10,515,874.48 × 4,135,532.78
  4. Step 4: Simplify right side
    7,620,194.95x = 43,488,743,638,356.30
  5. Step 5: Solve for x
    x = 43,488,743,638,356.30/7,620,194.95
  6. Step 6: Final answer
    x = 5,707,038.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.