Home / 14,580,108.80-21,870,163.20-9,171,220.40

Finding the Fourth Proportional to 14,580,108.80, 21,870,163.20 and 9,171,220.40

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Solution

The fourth proportional to 14,580,108.80, 21,870,163.20 and 9,171,220.40 is: 13,756,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580,108.80 : 21,870,163.20 = 9,171,220.40 : x
  2. Step 2: Convert to fraction form
    14,580,108.80/21,870,163.20 = 9,171,220.40/x
  3. Step 3: Cross multiply
    14,580,108.80x = 21,870,163.20 × 9,171,220.40
  4. Step 4: Simplify right side
    14,580,108.80x = 200,576,086,891,169.28
  5. Step 5: Solve for x
    x = 200,576,086,891,169.28/14,580,108.80
  6. Step 6: Final answer
    x = 13,756,830.60

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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.