Home / 12,884,747.66-17,780,963.19-7,083,628.10

Finding the Fourth Proportional to 12,884,747.66, 17,780,963.19 and 7,083,628.10

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Solution

The fourth proportional to 12,884,747.66, 17,780,963.19 and 7,083,628.10 is: 9,775,413.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,747.66 : 17,780,963.19 = 7,083,628.10 : x
  2. Step 2: Convert to fraction form
    12,884,747.66/17,780,963.19 = 7,083,628.10/x
  3. Step 3: Cross multiply
    12,884,747.66x = 17,780,963.19 × 7,083,628.10
  4. Step 4: Simplify right side
    12,884,747.66x = 125,953,730,497,749.64
  5. Step 5: Solve for x
    x = 125,953,730,497,749.64/12,884,747.66
  6. Step 6: Final answer
    x = 9,775,413.06

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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.