Home / 10,818,391.46-14,929,782.43-6,172,932.82

Finding the Fourth Proportional to 10,818,391.46, 14,929,782.43 and 6,172,932.82

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Solution

The fourth proportional to 10,818,391.46, 14,929,782.43 and 6,172,932.82 is: 8,518,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818,391.46 : 14,929,782.43 = 6,172,932.82 : x
  2. Step 2: Convert to fraction form
    10,818,391.46/14,929,782.43 = 6,172,932.82/x
  3. Step 3: Cross multiply
    10,818,391.46x = 14,929,782.43 × 6,172,932.82
  4. Step 4: Simplify right side
    10,818,391.46x = 92,160,543,957,606.36
  5. Step 5: Solve for x
    x = 92,160,543,957,606.36/10,818,391.46
  6. Step 6: Final answer
    x = 8,518,876.79

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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.