Home / 20,621,770.64-30,885,537-9,846,618.48

Finding the Fourth Proportional to 20,621,770.64, 30,885,537 and 9,846,618.48

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Solution

The fourth proportional to 20,621,770.64, 30,885,537 and 9,846,618.48 is: 14,747,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,621,770.64 : 30,885,537 = 9,846,618.48 : x
  2. Step 2: Convert to fraction form
    20,621,770.64/30,885,537 = 9,846,618.48/x
  3. Step 3: Cross multiply
    20,621,770.64x = 30,885,537 × 9,846,618.48
  4. Step 4: Simplify right side
    20,621,770.64x = 304,118,099,388,923.75
  5. Step 5: Solve for x
    x = 304,118,099,388,923.75/20,621,770.64
  6. Step 6: Final answer
    x = 14,747,429.05

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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.