Home / 22,420,100.32-30,939,832.92-12,630,661.86

Finding the Fourth Proportional to 22,420,100.32, 30,939,832.92 and 12,630,661.86

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Solution

The fourth proportional to 22,420,100.32, 30,939,832.92 and 12,630,661.86 is: 17,430,366.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420,100.32 : 30,939,832.92 = 12,630,661.86 : x
  2. Step 2: Convert to fraction form
    22,420,100.32/30,939,832.92 = 12,630,661.86/x
  3. Step 3: Cross multiply
    22,420,100.32x = 30,939,832.92 × 12,630,661.86
  4. Step 4: Simplify right side
    22,420,100.32x = 390,790,567,617,416.44
  5. Step 5: Solve for x
    x = 390,790,567,617,416.44/22,420,100.32
  6. Step 6: Final answer
    x = 17,430,366.59

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1.5x scale

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.