Home / 14,171,806.80-21,260,820.60-6,986,782.80

Finding the Fourth Proportional to 14,171,806.80, 21,260,820.60 and 6,986,782.80

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Solution

The fourth proportional to 14,171,806.80, 21,260,820.60 and 6,986,782.80 is: 10,481,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171,806.80 : 21,260,820.60 = 6,986,782.80 : x
  2. Step 2: Convert to fraction form
    14,171,806.80/21,260,820.60 = 6,986,782.80/x
  3. Step 3: Cross multiply
    14,171,806.80x = 21,260,820.60 × 6,986,782.80
  4. Step 4: Simplify right side
    14,171,806.80x = 148,544,735,681,965.69
  5. Step 5: Solve for x
    x = 148,544,735,681,965.69/14,171,806.80
  6. Step 6: Final answer
    x = 10,481,707.65

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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.