Home / 13,904,431.22-19,187,446.51-7,709,729.69

Finding the Fourth Proportional to 13,904,431.22, 19,187,446.51 and 7,709,729.69

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Solution

The fourth proportional to 13,904,431.22, 19,187,446.51 and 7,709,729.69 is: 10,639,056.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904,431.22 : 19,187,446.51 = 7,709,729.69 : x
  2. Step 2: Convert to fraction form
    13,904,431.22/19,187,446.51 = 7,709,729.69/x
  3. Step 3: Cross multiply
    13,904,431.22x = 19,187,446.51 × 7,709,729.69
  4. Step 4: Simplify right side
    13,904,431.22x = 147,930,026,033,433.91
  5. Step 5: Solve for x
    x = 147,930,026,033,433.91/13,904,431.22
  6. Step 6: Final answer
    x = 10,639,056.26

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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.