Home / 13,503,957.45-18,635,459.94-7,309,003.14

Finding the Fourth Proportional to 13,503,957.45, 18,635,459.94 and 7,309,003.14

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Solution

The fourth proportional to 13,503,957.45, 18,635,459.94 and 7,309,003.14 is: 10,086,423.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503,957.45 : 18,635,459.94 = 7,309,003.14 : x
  2. Step 2: Convert to fraction form
    13,503,957.45/18,635,459.94 = 7,309,003.14/x
  3. Step 3: Cross multiply
    13,503,957.45x = 18,635,459.94 × 7,309,003.14
  4. Step 4: Simplify right side
    13,503,957.45x = 136,206,635,216,804.22
  5. Step 5: Solve for x
    x = 136,206,635,216,804.22/13,503,957.45
  6. Step 6: Final answer
    x = 10,086,423.61

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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.