Home / 9,881,680.20-13,633,610.10-5,530,075.08

Finding the Fourth Proportional to 9,881,680.20, 13,633,610.10 and 5,530,075.08

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Solution

The fourth proportional to 9,881,680.20, 13,633,610.10 and 5,530,075.08 is: 7,629,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881,680.20 : 13,633,610.10 = 5,530,075.08 : x
  2. Step 2: Convert to fraction form
    9,881,680.20/13,633,610.10 = 5,530,075.08/x
  3. Step 3: Cross multiply
    9,881,680.20x = 13,633,610.10 × 5,530,075.08
  4. Step 4: Simplify right side
    9,881,680.20x = 75,394,887,464,446.31
  5. Step 5: Solve for x
    x = 75,394,887,464,446.31/9,881,680.20
  6. Step 6: Final answer
    x = 7,629,763.96

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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.