Home / 18,964,619.64-28,443,720.93-5,314,624.46

Finding the Fourth Proportional to 18,964,619.64, 28,443,720.93 and 5,314,624.46

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Solution

The fourth proportional to 18,964,619.64, 28,443,720.93 and 5,314,624.46 is: 7,971,037.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964,619.64 : 28,443,720.93 = 5,314,624.46 : x
  2. Step 2: Convert to fraction form
    18,964,619.64/28,443,720.93 = 5,314,624.46/x
  3. Step 3: Cross multiply
    18,964,619.64x = 28,443,720.93 × 5,314,624.46
  4. Step 4: Simplify right side
    18,964,619.64x = 151,167,694,987,991.94
  5. Step 5: Solve for x
    x = 151,167,694,987,991.94/18,964,619.64
  6. Step 6: Final answer
    x = 7,971,037.54

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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.