Home / 28,460,618.89-42,622,103.43-16,293,178.78

Finding the Fourth Proportional to 28,460,618.89, 42,622,103.43 and 16,293,178.78

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Solution

The fourth proportional to 28,460,618.89, 42,622,103.43 and 16,293,178.78 is: 24,400,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,460,618.89 : 42,622,103.43 = 16,293,178.78 : x
  2. Step 2: Convert to fraction form
    28,460,618.89/42,622,103.43 = 16,293,178.78/x
  3. Step 3: Cross multiply
    28,460,618.89x = 42,622,103.43 × 16,293,178.78
  4. Step 4: Simplify right side
    28,460,618.89x = 694,449,551,164,641.12
  5. Step 5: Solve for x
    x = 694,449,551,164,641.12/28,460,618.89
  6. Step 6: Final answer
    x = 24,400,367.18

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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.