Home / 28,731,104.40-43,096,656.60-19,115,302.80

Finding the Fourth Proportional to 28,731,104.40, 43,096,656.60 and 19,115,302.80

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Solution

The fourth proportional to 28,731,104.40, 43,096,656.60 and 19,115,302.80 is: 28,672,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731,104.40 : 43,096,656.60 = 19,115,302.80 : x
  2. Step 2: Convert to fraction form
    28,731,104.40/43,096,656.60 = 19,115,302.80/x
  3. Step 3: Cross multiply
    28,731,104.40x = 43,096,656.60 × 19,115,302.80
  4. Step 4: Simplify right side
    28,731,104.40x = 823,805,640,576,618.50
  5. Step 5: Solve for x
    x = 823,805,640,576,618.50/28,731,104.40
  6. Step 6: Final answer
    x = 28,672,954.20

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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.