Home / 40,732,821.70-61,170,091.35-21,600,945.70

Finding the Fourth Proportional to 40,732,821.70, 61,170,091.35 and 21,600,945.70

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Solution

The fourth proportional to 40,732,821.70, 61,170,091.35 and 21,600,945.70 is: 32,438,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,732,821.70 : 61,170,091.35 = 21,600,945.70 : x
  2. Step 2: Convert to fraction form
    40,732,821.70/61,170,091.35 = 21,600,945.70/x
  3. Step 3: Cross multiply
    40,732,821.70x = 61,170,091.35 × 21,600,945.70
  4. Step 4: Simplify right side
    40,732,821.70x = 1,321,331,821,715,389.75
  5. Step 5: Solve for x
    x = 1,321,331,821,715,389.75/40,732,821.70
  6. Step 6: Final answer
    x = 32,438,995.55

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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.