Home / 28,962,058.77-39,956,377.01-16,400,229.78

Finding the Fourth Proportional to 28,962,058.77, 39,956,377.01 and 16,400,229.78

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Solution

The fourth proportional to 28,962,058.77, 39,956,377.01 and 16,400,229.78 is: 22,625,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,962,058.77 : 39,956,377.01 = 16,400,229.78 : x
  2. Step 2: Convert to fraction form
    28,962,058.77/39,956,377.01 = 16,400,229.78/x
  3. Step 3: Cross multiply
    28,962,058.77x = 39,956,377.01 × 16,400,229.78
  4. Step 4: Simplify right side
    28,962,058.77x = 655,293,764,140,309.25
  5. Step 5: Solve for x
    x = 655,293,764,140,309.25/28,962,058.77
  6. Step 6: Final answer
    x = 22,625,938.62

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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.