Home / 12,956,791.50-19,420,240.50-4,864,605.96

Finding the Fourth Proportional to 12,956,791.50, 19,420,240.50 and 4,864,605.96

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Solution

The fourth proportional to 12,956,791.50, 19,420,240.50 and 4,864,605.96 is: 7,291,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956,791.50 : 19,420,240.50 = 4,864,605.96 : x
  2. Step 2: Convert to fraction form
    12,956,791.50/19,420,240.50 = 4,864,605.96/x
  3. Step 3: Cross multiply
    12,956,791.50x = 19,420,240.50 × 4,864,605.96
  4. Step 4: Simplify right side
    12,956,791.50x = 94,471,817,680,933.38
  5. Step 5: Solve for x
    x = 94,471,817,680,933.38/12,956,791.50
  6. Step 6: Final answer
    x = 7,291,297.21

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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.