Home / 13,422,799.14-18,534,399.93-10,942,419.30

Finding the Fourth Proportional to 13,422,799.14, 18,534,399.93 and 10,942,419.30

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Solution

The fourth proportional to 13,422,799.14, 18,534,399.93 and 10,942,419.30 is: 15,109,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422,799.14 : 18,534,399.93 = 10,942,419.30 : x
  2. Step 2: Convert to fraction form
    13,422,799.14/18,534,399.93 = 10,942,419.30/x
  3. Step 3: Cross multiply
    13,422,799.14x = 18,534,399.93 × 10,942,419.30
  4. Step 4: Simplify right side
    13,422,799.14x = 202,811,175,507,950.66
  5. Step 5: Solve for x
    x = 202,811,175,507,950.66/13,422,799.14
  6. Step 6: Final answer
    x = 15,109,454.70

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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.