Home / 7,228,652.16-10,842,960.96-3,990,034.56

Finding the Fourth Proportional to 7,228,652.16, 10,842,960.96 and 3,990,034.56

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Solution

The fourth proportional to 7,228,652.16, 10,842,960.96 and 3,990,034.56 is: 5,985,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228,652.16 : 10,842,960.96 = 3,990,034.56 : x
  2. Step 2: Convert to fraction form
    7,228,652.16/10,842,960.96 = 3,990,034.56/x
  3. Step 3: Cross multiply
    7,228,652.16x = 10,842,960.96 × 3,990,034.56
  4. Step 4: Simplify right side
    7,228,652.16x = 43,263,788,963,130.78
  5. Step 5: Solve for x
    x = 43,263,788,963,130.78/7,228,652.16
  6. Step 6: Final answer
    x = 5,985,042.30

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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.