Home / 13,101,717.51-18,080,127.93-7,141,175.73

Finding the Fourth Proportional to 13,101,717.51, 18,080,127.93 and 7,141,175.73

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Solution

The fourth proportional to 13,101,717.51, 18,080,127.93 and 7,141,175.73 is: 9,854,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101,717.51 : 18,080,127.93 = 7,141,175.73 : x
  2. Step 2: Convert to fraction form
    13,101,717.51/18,080,127.93 = 7,141,175.73/x
  3. Step 3: Cross multiply
    13,101,717.51x = 18,080,127.93 × 7,141,175.73
  4. Step 4: Simplify right side
    13,101,717.51x = 129,113,370,769,011.14
  5. Step 5: Solve for x
    x = 129,113,370,769,011.14/13,101,717.51
  6. Step 6: Final answer
    x = 9,854,690.48

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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.