Home / 13,501,195.76-18,631,578.68-7,306,238.82

Finding the Fourth Proportional to 13,501,195.76, 18,631,578.68 and 7,306,238.82

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Solution

The fourth proportional to 13,501,195.76, 18,631,578.68 and 7,306,238.82 is: 10,082,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501,195.76 : 18,631,578.68 = 7,306,238.82 : x
  2. Step 2: Convert to fraction form
    13,501,195.76/18,631,578.68 = 7,306,238.82/x
  3. Step 3: Cross multiply
    13,501,195.76x = 18,631,578.68 × 7,306,238.82
  4. Step 4: Simplify right side
    13,501,195.76x = 136,126,763,429,700.36
  5. Step 5: Solve for x
    x = 136,126,763,429,700.36/13,501,195.76
  6. Step 6: Final answer
    x = 10,082,570.90

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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.