Home / 13,440,681.80-20,161,022.70-8,065,910.60

Finding the Fourth Proportional to 13,440,681.80, 20,161,022.70 and 8,065,910.60

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Solution

The fourth proportional to 13,440,681.80, 20,161,022.70 and 8,065,910.60 is: 12,098,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440,681.80 : 20,161,022.70 = 8,065,910.60 : x
  2. Step 2: Convert to fraction form
    13,440,681.80/20,161,022.70 = 8,065,910.60/x
  3. Step 3: Cross multiply
    13,440,681.80x = 20,161,022.70 × 8,065,910.60
  4. Step 4: Simplify right side
    13,440,681.80x = 162,617,006,702,770.59
  5. Step 5: Solve for x
    x = 162,617,006,702,770.59/13,440,681.80
  6. Step 6: Final answer
    x = 12,098,865.90

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1.5x scale

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.