Home / 20,199,383.70-30,299,075.55-13,822,091.70

Finding the Fourth Proportional to 20,199,383.70, 30,299,075.55 and 13,822,091.70

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Solution

The fourth proportional to 20,199,383.70, 30,299,075.55 and 13,822,091.70 is: 20,733,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,383.70 : 30,299,075.55 = 13,822,091.70 : x
  2. Step 2: Convert to fraction form
    20,199,383.70/30,299,075.55 = 13,822,091.70/x
  3. Step 3: Cross multiply
    20,199,383.70x = 30,299,075.55 × 13,822,091.70
  4. Step 4: Simplify right side
    20,199,383.70x = 418,796,600,677,327.94
  5. Step 5: Solve for x
    x = 418,796,600,677,327.94/20,199,383.70
  6. Step 6: Final answer
    x = 20,733,137.55

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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.