Home / 18,851,231.80-28,276,847.70-16,938,044.20

Finding the Fourth Proportional to 18,851,231.80, 28,276,847.70 and 16,938,044.20

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Solution

The fourth proportional to 18,851,231.80, 28,276,847.70 and 16,938,044.20 is: 25,407,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851,231.80 : 28,276,847.70 = 16,938,044.20 : x
  2. Step 2: Convert to fraction form
    18,851,231.80/28,276,847.70 = 16,938,044.20/x
  3. Step 3: Cross multiply
    18,851,231.80x = 28,276,847.70 × 16,938,044.20
  4. Step 4: Simplify right side
    18,851,231.80x = 478,954,496,179,268.31
  5. Step 5: Solve for x
    x = 478,954,496,179,268.31/18,851,231.80
  6. Step 6: Final answer
    x = 25,407,066.30

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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.