Home / 15,388,991.56-23,089,843.12-6,748,619.28

Finding the Fourth Proportional to 15,388,991.56, 23,089,843.12 and 6,748,619.28

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Solution

The fourth proportional to 15,388,991.56, 23,089,843.12 and 6,748,619.28 is: 10,125,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388,991.56 : 23,089,843.12 = 6,748,619.28 : x
  2. Step 2: Convert to fraction form
    15,388,991.56/23,089,843.12 = 6,748,619.28/x
  3. Step 3: Cross multiply
    15,388,991.56x = 23,089,843.12 × 6,748,619.28
  4. Step 4: Simplify right side
    15,388,991.56x = 155,824,560,451,807.38
  5. Step 5: Solve for x
    x = 155,824,560,451,807.38/15,388,991.56
  6. Step 6: Final answer
    x = 10,125,716.16

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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.