Home / 12,527,661.78-18,792,911.88-11,240,360.46

Finding the Fourth Proportional to 12,527,661.78, 18,792,911.88 and 11,240,360.46

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Solution

The fourth proportional to 12,527,661.78, 18,792,911.88 and 11,240,360.46 is: 16,861,814.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527,661.78 : 18,792,911.88 = 11,240,360.46 : x
  2. Step 2: Convert to fraction form
    12,527,661.78/18,792,911.88 = 11,240,360.46/x
  3. Step 3: Cross multiply
    12,527,661.78x = 18,792,911.88 × 11,240,360.46
  4. Step 4: Simplify right side
    12,527,661.78x = 211,239,103,624,216.28
  5. Step 5: Solve for x
    x = 211,239,103,624,216.28/12,527,661.78
  6. Step 6: Final answer
    x = 16,861,814.07

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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.