Home / 12,645,869.50-18,968,853.66-3,061,232.38

Finding the Fourth Proportional to 12,645,869.50, 18,968,853.66 and 3,061,232.38

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Solution

The fourth proportional to 12,645,869.50, 18,968,853.66 and 3,061,232.38 is: 4,591,860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645,869.50 : 18,968,853.66 = 3,061,232.38 : x
  2. Step 2: Convert to fraction form
    12,645,869.50/18,968,853.66 = 3,061,232.38/x
  3. Step 3: Cross multiply
    12,645,869.50x = 18,968,853.66 × 3,061,232.38
  4. Step 4: Simplify right side
    12,645,869.50x = 58,068,069,035,473.51
  5. Step 5: Solve for x
    x = 58,068,069,035,473.51/12,645,869.50
  6. Step 6: Final answer
    x = 4,591,860.53

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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.