Home / 7,284,470.79-10,052,306.24-4,021,215.45

Finding the Fourth Proportional to 7,284,470.79, 10,052,306.24 and 4,021,215.45

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Solution

The fourth proportional to 7,284,470.79, 10,052,306.24 and 4,021,215.45 is: 5,549,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284,470.79 : 10,052,306.24 = 4,021,215.45 : x
  2. Step 2: Convert to fraction form
    7,284,470.79/10,052,306.24 = 4,021,215.45/x
  3. Step 3: Cross multiply
    7,284,470.79x = 10,052,306.24 × 4,021,215.45
  4. Step 4: Simplify right side
    7,284,470.79x = 40,422,489,140,313.33
  5. Step 5: Solve for x
    x = 40,422,489,140,313.33/7,284,470.79
  6. Step 6: Final answer
    x = 5,549,131.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.