Home / 13,769,960.85-20,636,045.41-8,712,217.17

Finding the Fourth Proportional to 13,769,960.85, 20,636,045.41 and 8,712,217.17

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Solution

The fourth proportional to 13,769,960.85, 20,636,045.41 and 8,712,217.17 is: 13,056,370.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769,960.85 : 20,636,045.41 = 8,712,217.17 : x
  2. Step 2: Convert to fraction form
    13,769,960.85/20,636,045.41 = 8,712,217.17/x
  3. Step 3: Cross multiply
    13,769,960.85x = 20,636,045.41 × 8,712,217.17
  4. Step 4: Simplify right side
    13,769,960.85x = 179,785,709,141,901.69
  5. Step 5: Solve for x
    x = 179,785,709,141,901.69/13,769,960.85
  6. Step 6: Final answer
    x = 13,056,370.39

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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.