Home / 26,305,801.60-39,421,377.60-19,428,707.20

Finding the Fourth Proportional to 26,305,801.60, 39,421,377.60 and 19,428,707.20

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Solution

The fourth proportional to 26,305,801.60, 39,421,377.60 and 19,428,707.20 is: 29,115,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,305,801.60 : 39,421,377.60 = 19,428,707.20 : x
  2. Step 2: Convert to fraction form
    26,305,801.60/39,421,377.60 = 19,428,707.20/x
  3. Step 3: Cross multiply
    26,305,801.60x = 39,421,377.60 × 19,428,707.20
  4. Step 4: Simplify right side
    26,305,801.60x = 765,906,402,811,038.75
  5. Step 5: Solve for x
    x = 765,906,402,811,038.75/26,305,801.60
  6. Step 6: Final answer
    x = 29,115,493.78

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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.