Home / 15,380,187.70-21,224,239.13-8,504,434.66

Finding the Fourth Proportional to 15,380,187.70, 21,224,239.13 and 8,504,434.66

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Solution

The fourth proportional to 15,380,187.70, 21,224,239.13 and 8,504,434.66 is: 11,735,887.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380,187.70 : 21,224,239.13 = 8,504,434.66 : x
  2. Step 2: Convert to fraction form
    15,380,187.70/21,224,239.13 = 8,504,434.66/x
  3. Step 3: Cross multiply
    15,380,187.70x = 21,224,239.13 × 8,504,434.66
  4. Step 4: Simplify right side
    15,380,187.70x = 180,500,154,962,886.03
  5. Step 5: Solve for x
    x = 180,500,154,962,886.03/15,380,187.70
  6. Step 6: Final answer
    x = 11,735,887.65

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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.