Home / 20,361,612.29-30,501,525.03-9,416,460.34

Finding the Fourth Proportional to 20,361,612.29, 30,501,525.03 and 9,416,460.34

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Solution

The fourth proportional to 20,361,612.29, 30,501,525.03 and 9,416,460.34 is: 14,105,778.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,361,612.29 : 30,501,525.03 = 9,416,460.34 : x
  2. Step 2: Convert to fraction form
    20,361,612.29/30,501,525.03 = 9,416,460.34/x
  3. Step 3: Cross multiply
    20,361,612.29x = 30,501,525.03 × 9,416,460.34
  4. Step 4: Simplify right side
    20,361,612.29x = 287,216,400,678,258.50
  5. Step 5: Solve for x
    x = 287,216,400,678,258.50/20,361,612.29
  6. Step 6: Final answer
    x = 14,105,778.88

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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.