Home / 20,615,174.91-30,922,856.16-6,968,394.36

Finding the Fourth Proportional to 20,615,174.91, 30,922,856.16 and 6,968,394.36

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Solution

The fourth proportional to 20,615,174.91, 30,922,856.16 and 6,968,394.36 is: 10,452,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615,174.91 : 30,922,856.16 = 6,968,394.36 : x
  2. Step 2: Convert to fraction form
    20,615,174.91/30,922,856.16 = 6,968,394.36/x
  3. Step 3: Cross multiply
    20,615,174.91x = 30,922,856.16 × 6,968,394.36
  4. Step 4: Simplify right side
    20,615,174.91x = 215,482,656,460,435.28
  5. Step 5: Solve for x
    x = 215,482,656,460,435.28/20,615,174.91
  6. Step 6: Final answer
    x = 10,452,623.24

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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.