Home / 28,542,989.40-42,814,484.10-16,449,754.20

Finding the Fourth Proportional to 28,542,989.40, 42,814,484.10 and 16,449,754.20

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Solution

The fourth proportional to 28,542,989.40, 42,814,484.10 and 16,449,754.20 is: 24,674,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542,989.40 : 42,814,484.10 = 16,449,754.20 : x
  2. Step 2: Convert to fraction form
    28,542,989.40/42,814,484.10 = 16,449,754.20/x
  3. Step 3: Cross multiply
    28,542,989.40x = 42,814,484.10 × 16,449,754.20
  4. Step 4: Simplify right side
    28,542,989.40x = 704,287,739,644,808.25
  5. Step 5: Solve for x
    x = 704,287,739,644,808.25/28,542,989.40
  6. Step 6: Final answer
    x = 24,674,631.30

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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.