Home / 8,418,365.40-11,617,061.40-5,322,555.12

Finding the Fourth Proportional to 8,418,365.40, 11,617,061.40 and 5,322,555.12

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Solution

The fourth proportional to 8,418,365.40, 11,617,061.40 and 5,322,555.12 is: 7,344,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418,365.40 : 11,617,061.40 = 5,322,555.12 : x
  2. Step 2: Convert to fraction form
    8,418,365.40/11,617,061.40 = 5,322,555.12/x
  3. Step 3: Cross multiply
    8,418,365.40x = 11,617,061.40 × 5,322,555.12
  4. Step 4: Simplify right side
    8,418,365.40x = 61,832,449,633,924.38
  5. Step 5: Solve for x
    x = 61,832,449,633,924.38/8,418,365.40
  6. Step 6: Final answer
    x = 7,344,947.23

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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.