Home / 9,868,146.92-13,618,553.51-5,682,453.55

Finding the Fourth Proportional to 9,868,146.92, 13,618,553.51 and 5,682,453.55

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Solution

The fourth proportional to 9,868,146.92, 13,618,553.51 and 5,682,453.55 is: 7,842,080.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868,146.92 : 13,618,553.51 = 5,682,453.55 : x
  2. Step 2: Convert to fraction form
    9,868,146.92/13,618,553.51 = 5,682,453.55/x
  3. Step 3: Cross multiply
    9,868,146.92x = 13,618,553.51 × 5,682,453.55
  4. Step 4: Simplify right side
    9,868,146.92x = 77,386,797,686,960.42
  5. Step 5: Solve for x
    x = 77,386,797,686,960.42/9,868,146.92
  6. Step 6: Final answer
    x = 7,842,080.01

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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.