Home / 7,180,022.97-9,908,418.10-3,916,836.83

Finding the Fourth Proportional to 7,180,022.97, 9,908,418.10 and 3,916,836.83

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Solution

The fourth proportional to 7,180,022.97, 9,908,418.10 and 3,916,836.83 is: 5,405,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,022.97 : 9,908,418.10 = 3,916,836.83 : x
  2. Step 2: Convert to fraction form
    7,180,022.97/9,908,418.10 = 3,916,836.83/x
  3. Step 3: Cross multiply
    7,180,022.97x = 9,908,418.10 × 3,916,836.83
  4. Step 4: Simplify right side
    7,180,022.97x = 38,809,656,975,681.76
  5. Step 5: Solve for x
    x = 38,809,656,975,681.76/7,180,022.97
  6. Step 6: Final answer
    x = 5,405,227.41

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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.