Home / 20,535,075.24-28,338,627.78-11,367,871.08

Finding the Fourth Proportional to 20,535,075.24, 28,338,627.78 and 11,367,871.08

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Solution

The fourth proportional to 20,535,075.24, 28,338,627.78 and 11,367,871.08 is: 15,687,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535,075.24 : 28,338,627.78 = 11,367,871.08 : x
  2. Step 2: Convert to fraction form
    20,535,075.24/28,338,627.78 = 11,367,871.08/x
  3. Step 3: Cross multiply
    20,535,075.24x = 28,338,627.78 × 11,367,871.08
  4. Step 4: Simplify right side
    20,535,075.24x = 322,149,867,187,146.62
  5. Step 5: Solve for x
    x = 322,149,867,187,146.62/20,535,075.24
  6. Step 6: Final answer
    x = 15,687,786.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.