Home / 20,306,576.72-28,022,814.60-11,604,649.52

Finding the Fourth Proportional to 20,306,576.72, 28,022,814.60 and 11,604,649.52

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Solution

The fourth proportional to 20,306,576.72, 28,022,814.60 and 11,604,649.52 is: 16,014,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,306,576.72 : 28,022,814.60 = 11,604,649.52 : x
  2. Step 2: Convert to fraction form
    20,306,576.72/28,022,814.60 = 11,604,649.52/x
  3. Step 3: Cross multiply
    20,306,576.72x = 28,022,814.60 × 11,604,649.52
  4. Step 4: Simplify right side
    20,306,576.72x = 325,194,941,996,939
  5. Step 5: Solve for x
    x = 325,194,941,996,939/20,306,576.72
  6. Step 6: Final answer
    x = 16,014,267.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.