Home / 14,978,228.32-20,669,885.04-8,102,650.24

Finding the Fourth Proportional to 14,978,228.32, 20,669,885.04 and 8,102,650.24

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Solution

The fourth proportional to 14,978,228.32, 20,669,885.04 and 8,102,650.24 is: 11,181,619.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978,228.32 : 20,669,885.04 = 8,102,650.24 : x
  2. Step 2: Convert to fraction form
    14,978,228.32/20,669,885.04 = 8,102,650.24/x
  3. Step 3: Cross multiply
    14,978,228.32x = 20,669,885.04 × 8,102,650.24
  4. Step 4: Simplify right side
    14,978,228.32x = 167,480,848,980,128.41
  5. Step 5: Solve for x
    x = 167,480,848,980,128.41/14,978,228.32
  6. Step 6: Final answer
    x = 11,181,619.44

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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.