Home / 12,985,180.80-19,477,771.20-6,251,971.20

Finding the Fourth Proportional to 12,985,180.80, 19,477,771.20 and 6,251,971.20

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Solution

The fourth proportional to 12,985,180.80, 19,477,771.20 and 6,251,971.20 is: 9,377,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,985,180.80 : 19,477,771.20 = 6,251,971.20 : x
  2. Step 2: Convert to fraction form
    12,985,180.80/19,477,771.20 = 6,251,971.20/x
  3. Step 3: Cross multiply
    12,985,180.80x = 19,477,771.20 × 6,251,971.20
  4. Step 4: Simplify right side
    12,985,180.80x = 121,774,464,582,589.44
  5. Step 5: Solve for x
    x = 121,774,464,582,589.44/12,985,180.80
  6. Step 6: Final answer
    x = 9,377,956.80

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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.