Home / 12,888,716.79-19,328,940.13-4,250,875.30

Finding the Fourth Proportional to 12,888,716.79, 19,328,940.13 and 4,250,875.30

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Solution

The fourth proportional to 12,888,716.79, 19,328,940.13 and 4,250,875.30 is: 6,374,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888,716.79 : 19,328,940.13 = 4,250,875.30 : x
  2. Step 2: Convert to fraction form
    12,888,716.79/19,328,940.13 = 4,250,875.30/x
  3. Step 3: Cross multiply
    12,888,716.79x = 19,328,940.13 × 4,250,875.30
  4. Step 4: Simplify right side
    12,888,716.79x = 82,164,914,163,168.61
  5. Step 5: Solve for x
    x = 82,164,914,163,168.61/12,888,716.79
  6. Step 6: Final answer
    x = 6,374,949.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.