Home / 9,707,872.16-13,396,261.20-5,356,992.80

Finding the Fourth Proportional to 9,707,872.16, 13,396,261.20 and 5,356,992.80

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Solution

The fourth proportional to 9,707,872.16, 13,396,261.20 and 5,356,992.80 is: 7,392,317.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,707,872.16 : 13,396,261.20 = 5,356,992.80 : x
  2. Step 2: Convert to fraction form
    9,707,872.16/13,396,261.20 = 5,356,992.80/x
  3. Step 3: Cross multiply
    9,707,872.16x = 13,396,261.20 × 5,356,992.80
  4. Step 4: Simplify right side
    9,707,872.16x = 71,763,674,795,319.36
  5. Step 5: Solve for x
    x = 71,763,674,795,319.36/9,707,872.16
  6. Step 6: Final answer
    x = 7,392,317.66

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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.