Home / 8,389,660.65-11,571,172.71-5,450,424.75

Finding the Fourth Proportional to 8,389,660.65, 11,571,172.71 and 5,450,424.75

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Solution

The fourth proportional to 8,389,660.65, 11,571,172.71 and 5,450,424.75 is: 7,517,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389,660.65 : 11,571,172.71 = 5,450,424.75 : x
  2. Step 2: Convert to fraction form
    8,389,660.65/11,571,172.71 = 5,450,424.75/x
  3. Step 3: Cross multiply
    8,389,660.65x = 11,571,172.71 × 5,450,424.75
  4. Step 4: Simplify right side
    8,389,660.65x = 63,067,806,125,108.58
  5. Step 5: Solve for x
    x = 63,067,806,125,108.58/8,389,660.65
  6. Step 6: Final answer
    x = 7,517,325.05

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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.