Home / 10,641,138.30-15,961,707.45-6,389,610.30

Finding the Fourth Proportional to 10,641,138.30, 15,961,707.45 and 6,389,610.30

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Solution

The fourth proportional to 10,641,138.30, 15,961,707.45 and 6,389,610.30 is: 9,584,415.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641,138.30 : 15,961,707.45 = 6,389,610.30 : x
  2. Step 2: Convert to fraction form
    10,641,138.30/15,961,707.45 = 6,389,610.30/x
  3. Step 3: Cross multiply
    10,641,138.30x = 15,961,707.45 × 6,389,610.30
  4. Step 4: Simplify right side
    10,641,138.30x = 101,989,090,328,106.73
  5. Step 5: Solve for x
    x = 101,989,090,328,106.73/10,641,138.30
  6. Step 6: Final answer
    x = 9,584,415.45

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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.