Home / 13,747,041.33-18,968,808.15-7,944,702.51

Finding the Fourth Proportional to 13,747,041.33, 18,968,808.15 and 7,944,702.51

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Solution

The fourth proportional to 13,747,041.33, 18,968,808.15 and 7,944,702.51 is: 10,962,470.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747,041.33 : 18,968,808.15 = 7,944,702.51 : x
  2. Step 2: Convert to fraction form
    13,747,041.33/18,968,808.15 = 7,944,702.51/x
  3. Step 3: Cross multiply
    13,747,041.33x = 18,968,808.15 × 7,944,702.51
  4. Step 4: Simplify right side
    13,747,041.33x = 150,701,537,721,013.44
  5. Step 5: Solve for x
    x = 150,701,537,721,013.44/13,747,041.33
  6. Step 6: Final answer
    x = 10,962,470.69

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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.