Home / 19,961,348.40-29,942,022.60-14,505,220.80

Finding the Fourth Proportional to 19,961,348.40, 29,942,022.60 and 14,505,220.80

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Solution

The fourth proportional to 19,961,348.40, 29,942,022.60 and 14,505,220.80 is: 21,757,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961,348.40 : 29,942,022.60 = 14,505,220.80 : x
  2. Step 2: Convert to fraction form
    19,961,348.40/29,942,022.60 = 14,505,220.80/x
  3. Step 3: Cross multiply
    19,961,348.40x = 29,942,022.60 × 14,505,220.80
  4. Step 4: Simplify right side
    19,961,348.40x = 434,315,649,011,590.12
  5. Step 5: Solve for x
    x = 434,315,649,011,590.12/19,961,348.40
  6. Step 6: Final answer
    x = 21,757,831.20

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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.