Home / 9,691,279.80-13,374,055.81-5,340,521.80

Finding the Fourth Proportional to 9,691,279.80, 13,374,055.81 and 5,340,521.80

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Solution

The fourth proportional to 9,691,279.80, 13,374,055.81 and 5,340,521.80 is: 7,369,969.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691,279.80 : 13,374,055.81 = 5,340,521.80 : x
  2. Step 2: Convert to fraction form
    9,691,279.80/13,374,055.81 = 5,340,521.80/x
  3. Step 3: Cross multiply
    9,691,279.80x = 13,374,055.81 × 5,340,521.80
  4. Step 4: Simplify right side
    9,691,279.80x = 71,424,436,607,721.66
  5. Step 5: Solve for x
    x = 71,424,436,607,721.66/9,691,279.80
  6. Step 6: Final answer
    x = 7,369,969.51

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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.