Home / 13,115,476.48-18,093,180.28-8,530,124.80

Finding the Fourth Proportional to 13,115,476.48, 18,093,180.28 and 8,530,124.80

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Solution

The fourth proportional to 13,115,476.48, 18,093,180.28 and 8,530,124.80 is: 11,767,554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,476.48 : 18,093,180.28 = 8,530,124.80 : x
  2. Step 2: Convert to fraction form
    13,115,476.48/18,093,180.28 = 8,530,124.80/x
  3. Step 3: Cross multiply
    13,115,476.48x = 18,093,180.28 × 8,530,124.80
  4. Step 4: Simplify right side
    13,115,476.48x = 154,337,085,817,298.97
  5. Step 5: Solve for x
    x = 154,337,085,817,298.97/13,115,476.48
  6. Step 6: Final answer
    x = 11,767,554.62

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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.