Home / 18,145,220.80-27,217,831.20-16,019,456.80

Finding the Fourth Proportional to 18,145,220.80, 27,217,831.20 and 16,019,456.80

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Solution

The fourth proportional to 18,145,220.80, 27,217,831.20 and 16,019,456.80 is: 24,029,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,220.80 : 27,217,831.20 = 16,019,456.80 : x
  2. Step 2: Convert to fraction form
    18,145,220.80/27,217,831.20 = 16,019,456.80/x
  3. Step 3: Cross multiply
    18,145,220.80x = 27,217,831.20 × 16,019,456.80
  4. Step 4: Simplify right side
    18,145,220.80x = 436,014,871,098,092.19
  5. Step 5: Solve for x
    x = 436,014,871,098,092.19/18,145,220.80
  6. Step 6: Final answer
    x = 24,029,185.20

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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.