Home / 13,686,122.56-20,506,514.78-9,622,757.84

Finding the Fourth Proportional to 13,686,122.56, 20,506,514.78 and 9,622,757.84

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Solution

The fourth proportional to 13,686,122.56, 20,506,514.78 and 9,622,757.84 is: 14,418,198.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,686,122.56 : 20,506,514.78 = 9,622,757.84 : x
  2. Step 2: Convert to fraction form
    13,686,122.56/20,506,514.78 = 9,622,757.84/x
  3. Step 3: Cross multiply
    13,686,122.56x = 20,506,514.78 × 9,622,757.84
  4. Step 4: Simplify right side
    13,686,122.56x = 197,329,225,870,320.88
  5. Step 5: Solve for x
    x = 197,329,225,870,320.88/13,686,122.56
  6. Step 6: Final answer
    x = 14,418,198.07

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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.