Home / 9,691,279.56-13,374,055.49-5,340,521.57

Finding the Fourth Proportional to 9,691,279.56, 13,374,055.49 and 5,340,521.57

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Solution

The fourth proportional to 9,691,279.56, 13,374,055.49 and 5,340,521.57 is: 7,369,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691,279.56 : 13,374,055.49 = 5,340,521.57 : x
  2. Step 2: Convert to fraction form
    9,691,279.56/13,374,055.49 = 5,340,521.57/x
  3. Step 3: Cross multiply
    9,691,279.56x = 13,374,055.49 × 5,340,521.57
  4. Step 4: Simplify right side
    9,691,279.56x = 71,424,431,822,721.92
  5. Step 5: Solve for x
    x = 71,424,431,822,721.92/9,691,279.56
  6. Step 6: Final answer
    x = 7,369,969.20

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1.5x scale

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.