Home / 9,691,279.41-13,374,055.29-5,340,521.45

Finding the Fourth Proportional to 9,691,279.41, 13,374,055.29 and 5,340,521.45

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Solution

The fourth proportional to 9,691,279.41, 13,374,055.29 and 5,340,521.45 is: 7,369,969.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691,279.41 : 13,374,055.29 = 5,340,521.45 : x
  2. Step 2: Convert to fraction form
    9,691,279.41/13,374,055.29 = 5,340,521.45/x
  3. Step 3: Cross multiply
    9,691,279.41x = 13,374,055.29 × 5,340,521.45
  4. Step 4: Simplify right side
    9,691,279.41x = 71,424,429,149,730.97
  5. Step 5: Solve for x
    x = 71,424,429,149,730.97/9,691,279.41
  6. Step 6: Final answer
    x = 7,369,969.03

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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.