Home / 31,686,745.56-47,448,260.65-21,869,103.14

Finding the Fourth Proportional to 31,686,745.56, 47,448,260.65 and 21,869,103.14

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Solution

The fourth proportional to 31,686,745.56, 47,448,260.65 and 21,869,103.14 is: 32,747,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,686,745.56 : 47,448,260.65 = 21,869,103.14 : x
  2. Step 2: Convert to fraction form
    31,686,745.56/47,448,260.65 = 21,869,103.14/x
  3. Step 3: Cross multiply
    31,686,745.56x = 47,448,260.65 × 21,869,103.14
  4. Step 4: Simplify right side
    31,686,745.56x = 1,037,650,906,080,362.38
  5. Step 5: Solve for x
    x = 1,037,650,906,080,362.38/31,686,745.56
  6. Step 6: Final answer
    x = 32,747,159.35

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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.