Home / 18,612,331.45-25,684,649.08-10,352,216.05

Finding the Fourth Proportional to 18,612,331.45, 25,684,649.08 and 10,352,216.05

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Solution

The fourth proportional to 18,612,331.45, 25,684,649.08 and 10,352,216.05 is: 14,285,853.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612,331.45 : 25,684,649.08 = 10,352,216.05 : x
  2. Step 2: Convert to fraction form
    18,612,331.45/25,684,649.08 = 10,352,216.05/x
  3. Step 3: Cross multiply
    18,612,331.45x = 25,684,649.08 × 10,352,216.05
  4. Step 4: Simplify right side
    18,612,331.45x = 265,893,036,444,593.75
  5. Step 5: Solve for x
    x = 265,893,036,444,593.75/18,612,331.45
  6. Step 6: Final answer
    x = 14,285,853.29

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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.