Home / 28,427,394.50-39,231,598.16-16,032,965.66

Finding the Fourth Proportional to 28,427,394.50, 39,231,598.16 and 16,032,965.66

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Solution

The fourth proportional to 28,427,394.50, 39,231,598.16 and 16,032,965.66 is: 22,126,504.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427,394.50 : 39,231,598.16 = 16,032,965.66 : x
  2. Step 2: Convert to fraction form
    28,427,394.50/39,231,598.16 = 16,032,965.66/x
  3. Step 3: Cross multiply
    28,427,394.50x = 39,231,598.16 × 16,032,965.66
  4. Step 4: Simplify right side
    28,427,394.50x = 628,998,866,086,199.12
  5. Step 5: Solve for x
    x = 628,998,866,086,199.12/28,427,394.50
  6. Step 6: Final answer
    x = 22,126,504.28

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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.