Home / 9,290,132.46-12,821,387.76-5,621,072.40

Finding the Fourth Proportional to 9,290,132.46, 12,821,387.76 and 5,621,072.40

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Solution

The fourth proportional to 9,290,132.46, 12,821,387.76 and 5,621,072.40 is: 7,757,687.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290,132.46 : 12,821,387.76 = 5,621,072.40 : x
  2. Step 2: Convert to fraction form
    9,290,132.46/12,821,387.76 = 5,621,072.40/x
  3. Step 3: Cross multiply
    9,290,132.46x = 12,821,387.76 × 5,621,072.40
  4. Step 4: Simplify right side
    9,290,132.46x = 72,069,948,867,433.83
  5. Step 5: Solve for x
    x = 72,069,948,867,433.83/9,290,132.46
  6. Step 6: Final answer
    x = 7,757,687.97

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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.