Home / 28,542,991.40-42,814,487.10-16,449,756.20

Finding the Fourth Proportional to 28,542,991.40, 42,814,487.10 and 16,449,756.20

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Solution

The fourth proportional to 28,542,991.40, 42,814,487.10 and 16,449,756.20 is: 24,674,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542,991.40 : 42,814,487.10 = 16,449,756.20 : x
  2. Step 2: Convert to fraction form
    28,542,991.40/42,814,487.10 = 16,449,756.20/x
  3. Step 3: Cross multiply
    28,542,991.40x = 42,814,487.10 × 16,449,756.20
  4. Step 4: Simplify right side
    28,542,991.40x = 704,287,874,623,045
  5. Step 5: Solve for x
    x = 704,287,874,623,045/28,542,991.40
  6. Step 6: Final answer
    x = 24,674,634.30

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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.