Home / 36,003,615.89-49,685,864.81-20,535,139.85

Finding the Fourth Proportional to 36,003,615.89, 49,685,864.81 and 20,535,139.85

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Solution

The fourth proportional to 36,003,615.89, 49,685,864.81 and 20,535,139.85 is: 28,338,991.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,003,615.89 : 49,685,864.81 = 20,535,139.85 : x
  2. Step 2: Convert to fraction form
    36,003,615.89/49,685,864.81 = 20,535,139.85/x
  3. Step 3: Cross multiply
    36,003,615.89x = 49,685,864.81 × 20,535,139.85
  4. Step 4: Simplify right side
    36,003,615.89x = 1,020,306,182,090,438.62
  5. Step 5: Solve for x
    x = 1,020,306,182,090,438.62/36,003,615.89
  6. Step 6: Final answer
    x = 28,338,991.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.