Home / 12,436,925.97-18,655,388.96-4,858,577.31

Finding the Fourth Proportional to 12,436,925.97, 18,655,388.96 and 4,858,577.31

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Solution

The fourth proportional to 12,436,925.97, 18,655,388.96 and 4,858,577.31 is: 7,287,865.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,925.97 : 18,655,388.96 = 4,858,577.31 : x
  2. Step 2: Convert to fraction form
    12,436,925.97/18,655,388.96 = 4,858,577.31/x
  3. Step 3: Cross multiply
    12,436,925.97x = 18,655,388.96 × 4,858,577.31
  4. Step 4: Simplify right side
    12,436,925.97x = 90,638,649,510,280.50
  5. Step 5: Solve for x
    x = 90,638,649,510,280.50/12,436,925.97
  6. Step 6: Final answer
    x = 7,287,865.97

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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.