Home / 28,954,785.36-43,432,141.50-7,389,387.66

Finding the Fourth Proportional to 28,954,785.36, 43,432,141.50 and 7,389,387.66

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Solution

The fourth proportional to 28,954,785.36, 43,432,141.50 and 7,389,387.66 is: 11,084,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954,785.36 : 43,432,141.50 = 7,389,387.66 : x
  2. Step 2: Convert to fraction form
    28,954,785.36/43,432,141.50 = 7,389,387.66/x
  3. Step 3: Cross multiply
    28,954,785.36x = 43,432,141.50 × 7,389,387.66
  4. Step 4: Simplify right side
    28,954,785.36x = 320,936,930,447,473.88
  5. Step 5: Solve for x
    x = 320,936,930,447,473.88/28,954,785.36
  6. Step 6: Final answer
    x = 11,084,072.16

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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.