Home / 15,268,340.70-22,902,511.05-12,876,856.20

Finding the Fourth Proportional to 15,268,340.70, 22,902,511.05 and 12,876,856.20

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Solution

The fourth proportional to 15,268,340.70, 22,902,511.05 and 12,876,856.20 is: 19,315,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268,340.70 : 22,902,511.05 = 12,876,856.20 : x
  2. Step 2: Convert to fraction form
    15,268,340.70/22,902,511.05 = 12,876,856.20/x
  3. Step 3: Cross multiply
    15,268,340.70x = 22,902,511.05 × 12,876,856.20
  4. Step 4: Simplify right side
    15,268,340.70x = 294,912,341,409,761
  5. Step 5: Solve for x
    x = 294,912,341,409,761/15,268,340.70
  6. Step 6: Final answer
    x = 19,315,284.30

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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.