Home / 13,101,717.01-18,080,127.24-7,141,175.23

Finding the Fourth Proportional to 13,101,717.01, 18,080,127.24 and 7,141,175.23

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Solution

The fourth proportional to 13,101,717.01, 18,080,127.24 and 7,141,175.23 is: 9,854,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101,717.01 : 18,080,127.24 = 7,141,175.23 : x
  2. Step 2: Convert to fraction form
    13,101,717.01/18,080,127.24 = 7,141,175.23/x
  3. Step 3: Cross multiply
    13,101,717.01x = 18,080,127.24 × 7,141,175.23
  4. Step 4: Simplify right side
    13,101,717.01x = 129,113,356,801,536.27
  5. Step 5: Solve for x
    x = 129,113,356,801,536.27/13,101,717.01
  6. Step 6: Final answer
    x = 9,854,689.79

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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.