Home / 13,056,354.76-18,012,179.94-8,153,064.22

Finding the Fourth Proportional to 13,056,354.76, 18,012,179.94 and 8,153,064.22

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Solution

The fourth proportional to 13,056,354.76, 18,012,179.94 and 8,153,064.22 is: 11,247,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056,354.76 : 18,012,179.94 = 8,153,064.22 : x
  2. Step 2: Convert to fraction form
    13,056,354.76/18,012,179.94 = 8,153,064.22/x
  3. Step 3: Cross multiply
    13,056,354.76x = 18,012,179.94 × 8,153,064.22
  4. Step 4: Simplify right side
    13,056,354.76x = 146,854,459,793,015.75
  5. Step 5: Solve for x
    x = 146,854,459,793,015.75/13,056,354.76
  6. Step 6: Final answer
    x = 11,247,738.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.