Home / 13,621,648.77-20,432,548.38-3,386,508.54

Finding the Fourth Proportional to 13,621,648.77, 20,432,548.38 and 3,386,508.54

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Solution

The fourth proportional to 13,621,648.77, 20,432,548.38 and 3,386,508.54 is: 5,079,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621,648.77 : 20,432,548.38 = 3,386,508.54 : x
  2. Step 2: Convert to fraction form
    13,621,648.77/20,432,548.38 = 3,386,508.54/x
  3. Step 3: Cross multiply
    13,621,648.77x = 20,432,548.38 × 3,386,508.54
  4. Step 4: Simplify right side
    13,621,648.77x = 69,194,999,582,833.16
  5. Step 5: Solve for x
    x = 69,194,999,582,833.16/13,621,648.77
  6. Step 6: Final answer
    x = 5,079,781.51

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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.