Home / 30,568,097.10-45,852,137.42-20,954,329.40

Finding the Fourth Proportional to 30,568,097.10, 45,852,137.42 and 20,954,329.40

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Solution

The fourth proportional to 30,568,097.10, 45,852,137.42 and 20,954,329.40 is: 31,431,488.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568,097.10 : 45,852,137.42 = 20,954,329.40 : x
  2. Step 2: Convert to fraction form
    30,568,097.10/45,852,137.42 = 20,954,329.40/x
  3. Step 3: Cross multiply
    30,568,097.10x = 45,852,137.42 × 20,954,329.40
  4. Step 4: Simplify right side
    30,568,097.10x = 960,800,791,192,746.12
  5. Step 5: Solve for x
    x = 960,800,791,192,746.12/30,568,097.10
  6. Step 6: Final answer
    x = 31,431,488.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.