Home / 28,954,905.20-43,432,333.10-7,389,505.16

Finding the Fourth Proportional to 28,954,905.20, 43,432,333.10 and 7,389,505.16

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Solution

The fourth proportional to 28,954,905.20, 43,432,333.10 and 7,389,505.16 is: 11,084,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954,905.20 : 43,432,333.10 = 7,389,505.16 : x
  2. Step 2: Convert to fraction form
    28,954,905.20/43,432,333.10 = 7,389,505.16/x
  3. Step 3: Cross multiply
    28,954,905.20x = 43,432,333.10 × 7,389,505.16
  4. Step 4: Simplify right side
    28,954,905.20x = 320,943,449,516,341.25
  5. Step 5: Solve for x
    x = 320,943,449,516,341.25/28,954,905.20
  6. Step 6: Final answer
    x = 11,084,251.44

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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.