Home / 7,530,387.75-10,391,935.10-4,092,636.98

Finding the Fourth Proportional to 7,530,387.75, 10,391,935.10 and 4,092,636.98

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Solution

The fourth proportional to 7,530,387.75, 10,391,935.10 and 4,092,636.98 is: 5,647,839.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530,387.75 : 10,391,935.10 = 4,092,636.98 : x
  2. Step 2: Convert to fraction form
    7,530,387.75/10,391,935.10 = 4,092,636.98/x
  3. Step 3: Cross multiply
    7,530,387.75x = 10,391,935.10 × 4,092,636.98
  4. Step 4: Simplify right side
    7,530,387.75x = 42,530,417,889,536.66
  5. Step 5: Solve for x
    x = 42,530,417,889,536.66/7,530,387.75
  6. Step 6: Final answer
    x = 5,647,839.04

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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.