Home / 20,708,581.44-31,062,872.32-6,331,649.60

Finding the Fourth Proportional to 20,708,581.44, 31,062,872.32 and 6,331,649.60

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Solution

The fourth proportional to 20,708,581.44, 31,062,872.32 and 6,331,649.60 is: 9,497,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,708,581.44 : 31,062,872.32 = 6,331,649.60 : x
  2. Step 2: Convert to fraction form
    20,708,581.44/31,062,872.32 = 6,331,649.60/x
  3. Step 3: Cross multiply
    20,708,581.44x = 31,062,872.32 × 6,331,649.60
  4. Step 4: Simplify right side
    20,708,581.44x = 196,679,223,099,779.06
  5. Step 5: Solve for x
    x = 196,679,223,099,779.06/20,708,581.44
  6. Step 6: Final answer
    x = 9,497,474.45

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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.