Home / 28,542,987.40-42,814,481.10-16,449,752.20

Finding the Fourth Proportional to 28,542,987.40, 42,814,481.10 and 16,449,752.20

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Solution

The fourth proportional to 28,542,987.40, 42,814,481.10 and 16,449,752.20 is: 24,674,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542,987.40 : 42,814,481.10 = 16,449,752.20 : x
  2. Step 2: Convert to fraction form
    28,542,987.40/42,814,481.10 = 16,449,752.20/x
  3. Step 3: Cross multiply
    28,542,987.40x = 42,814,481.10 × 16,449,752.20
  4. Step 4: Simplify right side
    28,542,987.40x = 704,287,604,666,583.38
  5. Step 5: Solve for x
    x = 704,287,604,666,583.38/28,542,987.40
  6. Step 6: Final answer
    x = 24,674,628.30

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Similar ratio
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1.5x scale

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.