Home / 21,791,230.80-32,686,758.72-6,645,118.56

Finding the Fourth Proportional to 21,791,230.80, 32,686,758.72 and 6,645,118.56

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Solution

The fourth proportional to 21,791,230.80, 32,686,758.72 and 6,645,118.56 is: 9,967,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791,230.80 : 32,686,758.72 = 6,645,118.56 : x
  2. Step 2: Convert to fraction form
    21,791,230.80/32,686,758.72 = 6,645,118.56/x
  3. Step 3: Cross multiply
    21,791,230.80x = 32,686,758.72 × 6,645,118.56
  4. Step 4: Simplify right side
    21,791,230.80x = 217,207,387,036,513.81
  5. Step 5: Solve for x
    x = 217,207,387,036,513.81/21,791,230.80
  6. Step 6: Final answer
    x = 9,967,651.16

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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.