Home / 20,542,645.59-28,348,502.36-11,375,091.51

Finding the Fourth Proportional to 20,542,645.59, 28,348,502.36 and 11,375,091.51

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Solution

The fourth proportional to 20,542,645.59, 28,348,502.36 and 11,375,091.51 is: 15,697,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542,645.59 : 28,348,502.36 = 11,375,091.51 : x
  2. Step 2: Convert to fraction form
    20,542,645.59/28,348,502.36 = 11,375,091.51/x
  3. Step 3: Cross multiply
    20,542,645.59x = 28,348,502.36 × 11,375,091.51
  4. Step 4: Simplify right side
    20,542,645.59x = 322,466,808,459,575.50
  5. Step 5: Solve for x
    x = 322,466,808,459,575.50/20,542,645.59
  6. Step 6: Final answer
    x = 15,697,433.28

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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.