Home / 12,395,220.80-18,592,831.20-11,013,474.20

Finding the Fourth Proportional to 12,395,220.80, 18,592,831.20 and 11,013,474.20

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Solution

The fourth proportional to 12,395,220.80, 18,592,831.20 and 11,013,474.20 is: 16,520,211.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395,220.80 : 18,592,831.20 = 11,013,474.20 : x
  2. Step 2: Convert to fraction form
    12,395,220.80/18,592,831.20 = 11,013,474.20/x
  3. Step 3: Cross multiply
    12,395,220.80x = 18,592,831.20 × 11,013,474.20
  4. Step 4: Simplify right side
    12,395,220.80x = 204,771,666,726,155.03
  5. Step 5: Solve for x
    x = 204,771,666,726,155.03/12,395,220.80
  6. Step 6: Final answer
    x = 16,520,211.30

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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.