Home / 31,686,753.06-47,448,271.89-21,869,110.65

Finding the Fourth Proportional to 31,686,753.06, 47,448,271.89 and 21,869,110.65

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Solution

The fourth proportional to 31,686,753.06, 47,448,271.89 and 21,869,110.65 is: 32,747,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,686,753.06 : 47,448,271.89 = 21,869,110.65 : x
  2. Step 2: Convert to fraction form
    31,686,753.06/47,448,271.89 = 21,869,110.65/x
  3. Step 3: Cross multiply
    31,686,753.06x = 47,448,271.89 × 21,869,110.65
  4. Step 4: Simplify right side
    31,686,753.06x = 1,037,651,508,113,694.62
  5. Step 5: Solve for x
    x = 1,037,651,508,113,694.62/31,686,753.06
  6. Step 6: Final answer
    x = 32,747,170.60

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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.