Home / 12,183,167.97-16,820,416.40-7,839,802.17

Finding the Fourth Proportional to 12,183,167.97, 16,820,416.40 and 7,839,802.17

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Solution

The fourth proportional to 12,183,167.97, 16,820,416.40 and 7,839,802.17 is: 10,823,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183,167.97 : 16,820,416.40 = 7,839,802.17 : x
  2. Step 2: Convert to fraction form
    12,183,167.97/16,820,416.40 = 7,839,802.17/x
  3. Step 3: Cross multiply
    12,183,167.97x = 16,820,416.40 × 7,839,802.17
  4. Step 4: Simplify right side
    12,183,167.97x = 131,868,736,953,824.58
  5. Step 5: Solve for x
    x = 131,868,736,953,824.58/12,183,167.97
  6. Step 6: Final answer
    x = 10,823,846.25

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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.