Home / 12,834,471.05-19,238,744.75-8,045,516.96

Finding the Fourth Proportional to 12,834,471.05, 19,238,744.75 and 8,045,516.96

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Solution

The fourth proportional to 12,834,471.05, 19,238,744.75 and 8,045,516.96 is: 12,060,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834,471.05 : 19,238,744.75 = 8,045,516.96 : x
  2. Step 2: Convert to fraction form
    12,834,471.05/19,238,744.75 = 8,045,516.96/x
  3. Step 3: Cross multiply
    12,834,471.05x = 19,238,744.75 × 8,045,516.96
  4. Step 4: Simplify right side
    12,834,471.05x = 154,785,647,038,814.66
  5. Step 5: Solve for x
    x = 154,785,647,038,814.66/12,834,471.05
  6. Step 6: Final answer
    x = 12,060,150.08

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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.