Home / 20,358,636.32-28,095,268.56-11,191,665.44

Finding the Fourth Proportional to 20,358,636.32, 28,095,268.56 and 11,191,665.44

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Solution

The fourth proportional to 20,358,636.32, 28,095,268.56 and 11,191,665.44 is: 15,444,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358,636.32 : 28,095,268.56 = 11,191,665.44 : x
  2. Step 2: Convert to fraction form
    20,358,636.32/28,095,268.56 = 11,191,665.44/x
  3. Step 3: Cross multiply
    20,358,636.32x = 28,095,268.56 × 11,191,665.44
  4. Step 4: Simplify right side
    20,358,636.32x = 314,432,846,170,470.56
  5. Step 5: Solve for x
    x = 314,432,846,170,470.56/20,358,636.32
  6. Step 6: Final answer
    x = 15,444,690.95

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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.