Home / 14,132,679.80-21,199,019.70-11,820,911.45

Finding the Fourth Proportional to 14,132,679.80, 21,199,019.70 and 11,820,911.45

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Solution

The fourth proportional to 14,132,679.80, 21,199,019.70 and 11,820,911.45 is: 17,731,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132,679.80 : 21,199,019.70 = 11,820,911.45 : x
  2. Step 2: Convert to fraction form
    14,132,679.80/21,199,019.70 = 11,820,911.45/x
  3. Step 3: Cross multiply
    14,132,679.80x = 21,199,019.70 × 11,820,911.45
  4. Step 4: Simplify right side
    14,132,679.80x = 250,591,734,700,505.53
  5. Step 5: Solve for x
    x = 250,591,734,700,505.53/14,132,679.80
  6. Step 6: Final answer
    x = 17,731,367.18

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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.