Home / 20,426,742.44-28,188,056.38-11,134,108.05

Finding the Fourth Proportional to 20,426,742.44, 28,188,056.38 and 11,134,108.05

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Solution

The fourth proportional to 20,426,742.44, 28,188,056.38 and 11,134,108.05 is: 15,364,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,426,742.44 : 28,188,056.38 = 11,134,108.05 : x
  2. Step 2: Convert to fraction form
    20,426,742.44/28,188,056.38 = 11,134,108.05/x
  3. Step 3: Cross multiply
    20,426,742.44x = 28,188,056.38 × 11,134,108.05
  4. Step 4: Simplify right side
    20,426,742.44x = 313,848,865,454,411.88
  5. Step 5: Solve for x
    x = 313,848,865,454,411.88/20,426,742.44
  6. Step 6: Final answer
    x = 15,364,606.78

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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.