Home / 13,448,020.56-18,557,901-7,336,447.44

Finding the Fourth Proportional to 13,448,020.56, 18,557,901 and 7,336,447.44

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Solution

The fourth proportional to 13,448,020.56, 18,557,901 and 7,336,447.44 is: 10,124,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448,020.56 : 18,557,901 = 7,336,447.44 : x
  2. Step 2: Convert to fraction form
    13,448,020.56/18,557,901 = 7,336,447.44/x
  3. Step 3: Cross multiply
    13,448,020.56x = 18,557,901 × 7,336,447.44
  4. Step 4: Simplify right side
    13,448,020.56x = 136,149,065,283,223.45
  5. Step 5: Solve for x
    x = 136,149,065,283,223.45/13,448,020.56
  6. Step 6: Final answer
    x = 10,124,097.05

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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.