Home / 13,501,169.85-18,631,613.82-7,306,216.76

Finding the Fourth Proportional to 13,501,169.85, 18,631,613.82 and 7,306,216.76

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Solution

The fourth proportional to 13,501,169.85, 18,631,613.82 and 7,306,216.76 is: 10,082,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501,169.85 : 18,631,613.82 = 7,306,216.76 : x
  2. Step 2: Convert to fraction form
    13,501,169.85/18,631,613.82 = 7,306,216.76/x
  3. Step 3: Cross multiply
    13,501,169.85x = 18,631,613.82 × 7,306,216.76
  4. Step 4: Simplify right side
    13,501,169.85x = 136,126,609,064,373.55
  5. Step 5: Solve for x
    x = 136,126,609,064,373.55/13,501,169.85
  6. Step 6: Final answer
    x = 10,082,578.81

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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.