Home / 10,318,336.82-15,477,541.23-3,129,932.66

Finding the Fourth Proportional to 10,318,336.82, 15,477,541.23 and 3,129,932.66

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Solution

The fourth proportional to 10,318,336.82, 15,477,541.23 and 3,129,932.66 is: 4,694,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318,336.82 : 15,477,541.23 = 3,129,932.66 : x
  2. Step 2: Convert to fraction form
    10,318,336.82/15,477,541.23 = 3,129,932.66/x
  3. Step 3: Cross multiply
    10,318,336.82x = 15,477,541.23 × 3,129,932.66
  4. Step 4: Simplify right side
    10,318,336.82x = 48,443,661,792,273.58
  5. Step 5: Solve for x
    x = 48,443,661,792,273.58/10,318,336.82
  6. Step 6: Final answer
    x = 4,694,909.91

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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.