Home / 28,954,772.28-43,432,121.70-7,389,374.45

Finding the Fourth Proportional to 28,954,772.28, 43,432,121.70 and 7,389,374.45

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Solution

The fourth proportional to 28,954,772.28, 43,432,121.70 and 7,389,374.45 is: 11,084,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954,772.28 : 43,432,121.70 = 7,389,374.45 : x
  2. Step 2: Convert to fraction form
    28,954,772.28/43,432,121.70 = 7,389,374.45/x
  3. Step 3: Cross multiply
    28,954,772.28x = 43,432,121.70 × 7,389,374.45
  4. Step 4: Simplify right side
    28,954,772.28x = 320,936,210,182,110
  5. Step 5: Solve for x
    x = 320,936,210,182,110/28,954,772.28
  6. Step 6: Final answer
    x = 11,084,052.30

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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.