Home / 30,454,641.72-42,037,455.24-27,226,137.60

Finding the Fourth Proportional to 30,454,641.72, 42,037,455.24 and 27,226,137.60

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Solution

The fourth proportional to 30,454,641.72, 42,037,455.24 and 27,226,137.60 is: 37,581,054.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,454,641.72 : 42,037,455.24 = 27,226,137.60 : x
  2. Step 2: Convert to fraction form
    30,454,641.72/42,037,455.24 = 27,226,137.60/x
  3. Step 3: Cross multiply
    30,454,641.72x = 42,037,455.24 × 27,226,137.60
  4. Step 4: Simplify right side
    30,454,641.72x = 1,144,517,540,718,081.25
  5. Step 5: Solve for x
    x = 1,144,517,540,718,081.25/30,454,641.72
  6. Step 6: Final answer
    x = 37,581,054.19

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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.