Home / 12,834,426.30-19,238,677.82-8,045,472.21

Finding the Fourth Proportional to 12,834,426.30, 19,238,677.82 and 8,045,472.21

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Solution

The fourth proportional to 12,834,426.30, 19,238,677.82 and 8,045,472.21 is: 12,060,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834,426.30 : 19,238,677.82 = 8,045,472.21 : x
  2. Step 2: Convert to fraction form
    12,834,426.30/19,238,677.82 = 8,045,472.21/x
  3. Step 3: Cross multiply
    12,834,426.30x = 19,238,677.82 × 8,045,472.21
  4. Step 4: Simplify right side
    12,834,426.30x = 154,784,247,757,953.38
  5. Step 5: Solve for x
    x = 154,784,247,757,953.38/12,834,426.30
  6. Step 6: Final answer
    x = 12,060,083.10

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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.