Home / 13,998,889.80-20,998,334.70-3,901,510.80

Finding the Fourth Proportional to 13,998,889.80, 20,998,334.70 and 3,901,510.80

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Solution

The fourth proportional to 13,998,889.80, 20,998,334.70 and 3,901,510.80 is: 5,852,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998,889.80 : 20,998,334.70 = 3,901,510.80 : x
  2. Step 2: Convert to fraction form
    13,998,889.80/20,998,334.70 = 3,901,510.80/x
  3. Step 3: Cross multiply
    13,998,889.80x = 20,998,334.70 × 3,901,510.80
  4. Step 4: Simplify right side
    13,998,889.80x = 81,925,229,614,064.75
  5. Step 5: Solve for x
    x = 81,925,229,614,064.75/13,998,889.80
  6. Step 6: Final answer
    x = 5,852,266.20

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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.