Home / 38,493,498.28-53,121,026.12-21,090,503.56

Finding the Fourth Proportional to 38,493,498.28, 53,121,026.12 and 21,090,503.56

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Solution

The fourth proportional to 38,493,498.28, 53,121,026.12 and 21,090,503.56 is: 29,104,894.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,493,498.28 : 53,121,026.12 = 21,090,503.56 : x
  2. Step 2: Convert to fraction form
    38,493,498.28/53,121,026.12 = 21,090,503.56/x
  3. Step 3: Cross multiply
    38,493,498.28x = 53,121,026.12 × 21,090,503.56
  4. Step 4: Simplify right side
    38,493,498.28x = 1,120,349,190,494,712.88
  5. Step 5: Solve for x
    x = 1,120,349,190,494,712.88/38,493,498.28
  6. Step 6: Final answer
    x = 29,104,894.09

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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.