Home / 13,747,037.31-18,968,802.62-7,944,698.50

Finding the Fourth Proportional to 13,747,037.31, 18,968,802.62 and 7,944,698.50

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Solution

The fourth proportional to 13,747,037.31, 18,968,802.62 and 7,944,698.50 is: 10,962,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747,037.31 : 18,968,802.62 = 7,944,698.50 : x
  2. Step 2: Convert to fraction form
    13,747,037.31/18,968,802.62 = 7,944,698.50/x
  3. Step 3: Cross multiply
    13,747,037.31x = 18,968,802.62 × 7,944,698.50
  4. Step 4: Simplify right side
    13,747,037.31x = 150,701,417,721,910.09
  5. Step 5: Solve for x
    x = 150,701,417,721,910.09/13,747,037.31
  6. Step 6: Final answer
    x = 10,962,465.17

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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.