Home / 12,289,616.46-16,959,660.12-6,857,108.46

Finding the Fourth Proportional to 12,289,616.46, 16,959,660.12 and 6,857,108.46

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Solution

The fourth proportional to 12,289,616.46, 16,959,660.12 and 6,857,108.46 is: 9,462,803.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289,616.46 : 16,959,660.12 = 6,857,108.46 : x
  2. Step 2: Convert to fraction form
    12,289,616.46/16,959,660.12 = 6,857,108.46/x
  3. Step 3: Cross multiply
    12,289,616.46x = 16,959,660.12 × 6,857,108.46
  4. Step 4: Simplify right side
    12,289,616.46x = 116,294,228,887,576.62
  5. Step 5: Solve for x
    x = 116,294,228,887,576.62/12,289,616.46
  6. Step 6: Final answer
    x = 9,462,803.76

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1.5x scale

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.