Home / 9,702,782.82-13,389,605.66-5,351,775.71

Finding the Fourth Proportional to 9,702,782.82, 13,389,605.66 and 5,351,775.71

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Solution

The fourth proportional to 9,702,782.82, 13,389,605.66 and 5,351,775.71 is: 7,385,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,702,782.82 : 13,389,605.66 = 5,351,775.71 : x
  2. Step 2: Convert to fraction form
    9,702,782.82/13,389,605.66 = 5,351,775.71/x
  3. Step 3: Cross multiply
    9,702,782.82x = 13,389,605.66 × 5,351,775.71
  4. Step 4: Simplify right side
    9,702,782.82x = 71,658,166,284,097.92
  5. Step 5: Solve for x
    x = 71,658,166,284,097.92/9,702,782.82
  6. Step 6: Final answer
    x = 7,385,321.06

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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.