Home / 28,954,768.50-43,432,116.08-7,389,370.70

Finding the Fourth Proportional to 28,954,768.50, 43,432,116.08 and 7,389,370.70

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Solution

The fourth proportional to 28,954,768.50, 43,432,116.08 and 7,389,370.70 is: 11,084,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954,768.50 : 43,432,116.08 = 7,389,370.70 : x
  2. Step 2: Convert to fraction form
    28,954,768.50/43,432,116.08 = 7,389,370.70/x
  3. Step 3: Cross multiply
    28,954,768.50x = 43,432,116.08 × 7,389,370.70
  4. Step 4: Simplify right side
    28,954,768.50x = 320,936,006,000,550.88
  5. Step 5: Solve for x
    x = 320,936,006,000,550.88/28,954,768.50
  6. Step 6: Final answer
    x = 11,084,046.69

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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.