Home / 9,219,978.18-13,832,023.08-2,830,876.38

Finding the Fourth Proportional to 9,219,978.18, 13,832,023.08 and 2,830,876.38

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Solution

The fourth proportional to 9,219,978.18, 13,832,023.08 and 2,830,876.38 is: 4,246,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219,978.18 : 13,832,023.08 = 2,830,876.38 : x
  2. Step 2: Convert to fraction form
    9,219,978.18/13,832,023.08 = 2,830,876.38/x
  3. Step 3: Cross multiply
    9,219,978.18x = 13,832,023.08 × 2,830,876.38
  4. Step 4: Simplify right side
    9,219,978.18x = 39,156,747,424,786.85
  5. Step 5: Solve for x
    x = 39,156,747,424,786.85/9,219,978.18
  6. Step 6: Final answer
    x = 4,246,945.78

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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.