Home / 31,366,227.33-47,036,390.31-13,621,080.20

Finding the Fourth Proportional to 31,366,227.33, 47,036,390.31 and 13,621,080.20

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Solution

The fourth proportional to 31,366,227.33, 47,036,390.31 and 13,621,080.20 is: 20,425,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,366,227.33 : 47,036,390.31 = 13,621,080.20 : x
  2. Step 2: Convert to fraction form
    31,366,227.33/47,036,390.31 = 13,621,080.20/x
  3. Step 3: Cross multiply
    31,366,227.33x = 47,036,390.31 × 13,621,080.20
  4. Step 4: Simplify right side
    31,366,227.33x = 640,686,444,495,831
  5. Step 5: Solve for x
    x = 640,686,444,495,831/31,366,227.33
  6. Step 6: Final answer
    x = 20,425,996.34

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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.