Home / 28,080,313.75-42,120,470.67-6,805,177.75

Finding the Fourth Proportional to 28,080,313.75, 42,120,470.67 and 6,805,177.75

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Solution

The fourth proportional to 28,080,313.75, 42,120,470.67 and 6,805,177.75 is: 10,207,766.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,313.75 : 42,120,470.67 = 6,805,177.75 : x
  2. Step 2: Convert to fraction form
    28,080,313.75/42,120,470.67 = 6,805,177.75/x
  3. Step 3: Cross multiply
    28,080,313.75x = 42,120,470.67 × 6,805,177.75
  4. Step 4: Simplify right side
    28,080,313.75x = 286,637,289,823,011.62
  5. Step 5: Solve for x
    x = 286,637,289,823,011.62/28,080,313.75
  6. Step 6: Final answer
    x = 10,207,766.64

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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.