Home / 18,714,905.10-28,072,357.65-5,936,409.90

Finding the Fourth Proportional to 18,714,905.10, 28,072,357.65 and 5,936,409.90

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Solution

The fourth proportional to 18,714,905.10, 28,072,357.65 and 5,936,409.90 is: 8,904,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714,905.10 : 28,072,357.65 = 5,936,409.90 : x
  2. Step 2: Convert to fraction form
    18,714,905.10/28,072,357.65 = 5,936,409.90/x
  3. Step 3: Cross multiply
    18,714,905.10x = 28,072,357.65 × 5,936,409.90
  4. Step 4: Simplify right side
    18,714,905.10x = 166,649,021,869,800.75
  5. Step 5: Solve for x
    x = 166,649,021,869,800.75/18,714,905.10
  6. Step 6: Final answer
    x = 8,904,614.85

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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.