Home / 12,527,534.40-18,792,721.20-11,240,232.80

Finding the Fourth Proportional to 12,527,534.40, 18,792,721.20 and 11,240,232.80

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Solution

The fourth proportional to 12,527,534.40, 18,792,721.20 and 11,240,232.80 is: 16,861,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527,534.40 : 18,792,721.20 = 11,240,232.80 : x
  2. Step 2: Convert to fraction form
    12,527,534.40/18,792,721.20 = 11,240,232.80/x
  3. Step 3: Cross multiply
    12,527,534.40x = 18,792,721.20 × 11,240,232.80
  4. Step 4: Simplify right side
    12,527,534.40x = 211,234,561,233,495.38
  5. Step 5: Solve for x
    x = 211,234,561,233,495.38/12,527,534.40
  6. Step 6: Final answer
    x = 16,861,622.93

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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.