Home / 22,921,086-31,630,478.22-12,999,788.30

Finding the Fourth Proportional to 22,921,086, 31,630,478.22 and 12,999,788.30

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Solution

The fourth proportional to 22,921,086, 31,630,478.22 and 12,999,788.30 is: 17,939,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,921,086 : 31,630,478.22 = 12,999,788.30 : x
  2. Step 2: Convert to fraction form
    22,921,086/31,630,478.22 = 12,999,788.30/x
  3. Step 3: Cross multiply
    22,921,086x = 31,630,478.22 × 12,999,788.30
  4. Step 4: Simplify right side
    22,921,086x = 411,189,520,529,608.44
  5. Step 5: Solve for x
    x = 411,189,520,529,608.44/22,921,086
  6. Step 6: Final answer
    x = 17,939,355.95

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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.