Home / 30,328,769.50-45,493,160.49-10,134,013.66

Finding the Fourth Proportional to 30,328,769.50, 45,493,160.49 and 10,134,013.66

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Solution

The fourth proportional to 30,328,769.50, 45,493,160.49 and 10,134,013.66 is: 15,201,022.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328,769.50 : 45,493,160.49 = 10,134,013.66 : x
  2. Step 2: Convert to fraction form
    30,328,769.50/45,493,160.49 = 10,134,013.66/x
  3. Step 3: Cross multiply
    30,328,769.50x = 45,493,160.49 × 10,134,013.66
  4. Step 4: Simplify right side
    30,328,769.50x = 461,028,309,842,232.31
  5. Step 5: Solve for x
    x = 461,028,309,842,232.31/30,328,769.50
  6. Step 6: Final answer
    x = 15,201,022.58

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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.