Home / 13,148,508.70-18,144,593.62-7,347,338.11

Finding the Fourth Proportional to 13,148,508.70, 18,144,593.62 and 7,347,338.11

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Solution

The fourth proportional to 13,148,508.70, 18,144,593.62 and 7,347,338.11 is: 10,139,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,508.70 : 18,144,593.62 = 7,347,338.11 : x
  2. Step 2: Convert to fraction form
    13,148,508.70/18,144,593.62 = 7,347,338.11/x
  3. Step 3: Cross multiply
    13,148,508.70x = 18,144,593.62 × 7,347,338.11
  4. Step 4: Simplify right side
    13,148,508.70x = 133,314,464,194,688.88
  5. Step 5: Solve for x
    x = 133,314,464,194,688.88/13,148,508.70
  6. Step 6: Final answer
    x = 10,139,131.91

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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.