Home / 38,493,488.28-53,121,012.24-21,090,493.56

Finding the Fourth Proportional to 38,493,488.28, 53,121,012.24 and 21,090,493.56

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Solution

The fourth proportional to 38,493,488.28, 53,121,012.24 and 21,090,493.56 is: 29,104,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,493,488.28 : 53,121,012.24 = 21,090,493.56 : x
  2. Step 2: Convert to fraction form
    38,493,488.28/53,121,012.24 = 21,090,493.56/x
  3. Step 3: Cross multiply
    38,493,488.28x = 53,121,012.24 × 21,090,493.56
  4. Step 4: Simplify right side
    38,493,488.28x = 1,120,348,366,548,401.12
  5. Step 5: Solve for x
    x = 1,120,348,366,548,401.12/38,493,488.28
  6. Step 6: Final answer
    x = 29,104,880.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.