Home / 12,840,314.40-19,261,346.40-4,085,899.20

Finding the Fourth Proportional to 12,840,314.40, 19,261,346.40 and 4,085,899.20

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Solution

The fourth proportional to 12,840,314.40, 19,261,346.40 and 4,085,899.20 is: 6,129,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840,314.40 : 19,261,346.40 = 4,085,899.20 : x
  2. Step 2: Convert to fraction form
    12,840,314.40/19,261,346.40 = 4,085,899.20/x
  3. Step 3: Cross multiply
    12,840,314.40x = 19,261,346.40 × 4,085,899.20
  4. Step 4: Simplify right side
    12,840,314.40x = 78,699,919,846,682.88
  5. Step 5: Solve for x
    x = 78,699,919,846,682.88/12,840,314.40
  6. Step 6: Final answer
    x = 6,129,127.17

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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.