Home / 31,686,758.04-47,448,279.38-21,869,115.66

Finding the Fourth Proportional to 31,686,758.04, 47,448,279.38 and 21,869,115.66

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Solution

The fourth proportional to 31,686,758.04, 47,448,279.38 and 21,869,115.66 is: 32,747,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,686,758.04 : 47,448,279.38 = 21,869,115.66 : x
  2. Step 2: Convert to fraction form
    31,686,758.04/47,448,279.38 = 21,869,115.66/x
  3. Step 3: Cross multiply
    31,686,758.04x = 47,448,279.38 × 21,869,115.66
  4. Step 4: Simplify right side
    31,686,758.04x = 1,037,651,909,629,213.12
  5. Step 5: Solve for x
    x = 1,037,651,909,629,213.12/31,686,758.04
  6. Step 6: Final answer
    x = 32,747,178.12

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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.