Home / 28,508,097.78-42,762,145.84-13,150,843.74

Finding the Fourth Proportional to 28,508,097.78, 42,762,145.84 and 13,150,843.74

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Solution

The fourth proportional to 28,508,097.78, 42,762,145.84 and 13,150,843.74 is: 19,726,265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508,097.78 : 42,762,145.84 = 13,150,843.74 : x
  2. Step 2: Convert to fraction form
    28,508,097.78/42,762,145.84 = 13,150,843.74/x
  3. Step 3: Cross multiply
    28,508,097.78x = 42,762,145.84 × 13,150,843.74
  4. Step 4: Simplify right side
    28,508,097.78x = 562,358,297,928,931.12
  5. Step 5: Solve for x
    x = 562,358,297,928,931.12/28,508,097.78
  6. Step 6: Final answer
    x = 19,726,265.23

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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.