Home / 39,107,928.28-58,661,659.12-21,270,406.36

Finding the Fourth Proportional to 39,107,928.28, 58,661,659.12 and 21,270,406.36

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Solution

The fourth proportional to 39,107,928.28, 58,661,659.12 and 21,270,406.36 is: 31,905,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,107,928.28 : 58,661,659.12 = 21,270,406.36 : x
  2. Step 2: Convert to fraction form
    39,107,928.28/58,661,659.12 = 21,270,406.36/x
  3. Step 3: Cross multiply
    39,107,928.28x = 58,661,659.12 × 21,270,406.36
  4. Step 4: Simplify right side
    39,107,928.28x = 1,247,757,327,234,200
  5. Step 5: Solve for x
    x = 1,247,757,327,234,200/39,107,928.28
  6. Step 6: Final answer
    x = 31,905,482.65

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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.