Home / 28,889,701.80-43,345,611.90-28,436,274.60

Finding the Fourth Proportional to 28,889,701.80, 43,345,611.90 and 28,436,274.60

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Solution

The fourth proportional to 28,889,701.80, 43,345,611.90 and 28,436,274.60 is: 42,665,297.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889,701.80 : 43,345,611.90 = 28,436,274.60 : x
  2. Step 2: Convert to fraction form
    28,889,701.80/43,345,611.90 = 28,436,274.60/x
  3. Step 3: Cross multiply
    28,889,701.80x = 43,345,611.90 × 28,436,274.60
  4. Step 4: Simplify right side
    28,889,701.80x = 1,232,587,722,693,427.75
  5. Step 5: Solve for x
    x = 1,232,587,722,693,427.75/28,889,701.80
  6. Step 6: Final answer
    x = 42,665,297.52

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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.