Home / 10,761,872.96-16,142,867.64-3,188,904.32

Finding the Fourth Proportional to 10,761,872.96, 16,142,867.64 and 3,188,904.32

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Solution

The fourth proportional to 10,761,872.96, 16,142,867.64 and 3,188,904.32 is: 4,783,373.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761,872.96 : 16,142,867.64 = 3,188,904.32 : x
  2. Step 2: Convert to fraction form
    10,761,872.96/16,142,867.64 = 3,188,904.32/x
  3. Step 3: Cross multiply
    10,761,872.96x = 16,142,867.64 × 3,188,904.32
  4. Step 4: Simplify right side
    10,761,872.96x = 51,478,060,354,384.20
  5. Step 5: Solve for x
    x = 51,478,060,354,384.20/10,761,872.96
  6. Step 6: Final answer
    x = 4,783,373.73

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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.