Home / 13,904,429.22-19,187,443.76-7,709,727.69

Finding the Fourth Proportional to 13,904,429.22, 19,187,443.76 and 7,709,727.69

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Solution

The fourth proportional to 13,904,429.22, 19,187,443.76 and 7,709,727.69 is: 10,639,053.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904,429.22 : 19,187,443.76 = 7,709,727.69 : x
  2. Step 2: Convert to fraction form
    13,904,429.22/19,187,443.76 = 7,709,727.69/x
  3. Step 3: Cross multiply
    13,904,429.22x = 19,187,443.76 × 7,709,727.69
  4. Step 4: Simplify right side
    13,904,429.22x = 147,929,966,418,241.06
  5. Step 5: Solve for x
    x = 147,929,966,418,241.06/13,904,429.22
  6. Step 6: Final answer
    x = 10,639,053.50

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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.