Home / 9,691,279.35-13,374,055.20-5,340,521.36

Finding the Fourth Proportional to 9,691,279.35, 13,374,055.20 and 5,340,521.36

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Solution

The fourth proportional to 9,691,279.35, 13,374,055.20 and 5,340,521.36 is: 7,369,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691,279.35 : 13,374,055.20 = 5,340,521.36 : x
  2. Step 2: Convert to fraction form
    9,691,279.35/13,374,055.20 = 5,340,521.36/x
  3. Step 3: Cross multiply
    9,691,279.35x = 13,374,055.20 × 5,340,521.36
  4. Step 4: Simplify right side
    9,691,279.35x = 71,424,427,398,548.80
  5. Step 5: Solve for x
    x = 71,424,427,398,548.80/9,691,279.35
  6. Step 6: Final answer
    x = 7,369,968.90

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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.