Home / 15,290,786.72-21,096,535.64-8,674,286.10

Finding the Fourth Proportional to 15,290,786.72, 21,096,535.64 and 8,674,286.10

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Solution

The fourth proportional to 15,290,786.72, 21,096,535.64 and 8,674,286.10 is: 11,967,820.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290,786.72 : 21,096,535.64 = 8,674,286.10 : x
  2. Step 2: Convert to fraction form
    15,290,786.72/21,096,535.64 = 8,674,286.10/x
  3. Step 3: Cross multiply
    15,290,786.72x = 21,096,535.64 × 8,674,286.10
  4. Step 4: Simplify right side
    15,290,786.72x = 182,997,385,816,835.19
  5. Step 5: Solve for x
    x = 182,997,385,816,835.19/15,290,786.72
  6. Step 6: Final answer
    x = 11,967,820.18

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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.