Home / 18,861,667.68-28,303,480.24-7,931,067.24

Finding the Fourth Proportional to 18,861,667.68, 28,303,480.24 and 7,931,067.24

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Solution

The fourth proportional to 18,861,667.68, 28,303,480.24 and 7,931,067.24 is: 11,901,217.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861,667.68 : 28,303,480.24 = 7,931,067.24 : x
  2. Step 2: Convert to fraction form
    18,861,667.68/28,303,480.24 = 7,931,067.24/x
  3. Step 3: Cross multiply
    18,861,667.68x = 28,303,480.24 × 7,931,067.24
  4. Step 4: Simplify right side
    18,861,667.68x = 224,476,804,909,451.34
  5. Step 5: Solve for x
    x = 224,476,804,909,451.34/18,861,667.68
  6. Step 6: Final answer
    x = 11,901,217.26

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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.