Home / 14,011,805.80-21,017,708.70-11,177,453.80

Finding the Fourth Proportional to 14,011,805.80, 21,017,708.70 and 11,177,453.80

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Solution

The fourth proportional to 14,011,805.80, 21,017,708.70 and 11,177,453.80 is: 16,766,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011,805.80 : 21,017,708.70 = 11,177,453.80 : x
  2. Step 2: Convert to fraction form
    14,011,805.80/21,017,708.70 = 11,177,453.80/x
  3. Step 3: Cross multiply
    14,011,805.80x = 21,017,708.70 × 11,177,453.80
  4. Step 4: Simplify right side
    14,011,805.80x = 234,924,467,976,108.06
  5. Step 5: Solve for x
    x = 234,924,467,976,108.06/14,011,805.80
  6. Step 6: Final answer
    x = 16,766,180.70

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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.