Home / 17,383,561.20-26,075,341.80-12,664,969.20

Finding the Fourth Proportional to 17,383,561.20, 26,075,341.80 and 12,664,969.20

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Solution

The fourth proportional to 17,383,561.20, 26,075,341.80 and 12,664,969.20 is: 18,997,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,383,561.20 : 26,075,341.80 = 12,664,969.20 : x
  2. Step 2: Convert to fraction form
    17,383,561.20/26,075,341.80 = 12,664,969.20/x
  3. Step 3: Cross multiply
    17,383,561.20x = 26,075,341.80 × 12,664,969.20
  4. Step 4: Simplify right side
    17,383,561.20x = 330,243,400,776,472.56
  5. Step 5: Solve for x
    x = 330,243,400,776,472.56/17,383,561.20
  6. Step 6: Final answer
    x = 18,997,453.80

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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.