Home / 28,165,994.55-42,176,229.44-19,439,201.30

Finding the Fourth Proportional to 28,165,994.55, 42,176,229.44 and 19,439,201.30

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Solution

The fourth proportional to 28,165,994.55, 42,176,229.44 and 19,439,201.30 is: 29,108,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165,994.55 : 42,176,229.44 = 19,439,201.30 : x
  2. Step 2: Convert to fraction form
    28,165,994.55/42,176,229.44 = 19,439,201.30/x
  3. Step 3: Cross multiply
    28,165,994.55x = 42,176,229.44 × 19,439,201.30
  4. Step 4: Simplify right side
    28,165,994.55x = 819,872,213,851,069.25
  5. Step 5: Solve for x
    x = 819,872,213,851,069.25/28,165,994.55
  6. Step 6: Final answer
    x = 29,108,583.84

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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.