Home / 13,391,599.21-20,089,984.46-5,715,132.01

Finding the Fourth Proportional to 13,391,599.21, 20,089,984.46 and 5,715,132.01

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Solution

The fourth proportional to 13,391,599.21, 20,089,984.46 and 5,715,132.01 is: 8,573,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391,599.21 : 20,089,984.46 = 5,715,132.01 : x
  2. Step 2: Convert to fraction form
    13,391,599.21/20,089,984.46 = 5,715,132.01/x
  3. Step 3: Cross multiply
    13,391,599.21x = 20,089,984.46 × 5,715,132.01
  4. Step 4: Simplify right side
    13,391,599.21x = 114,816,913,239,172.89
  5. Step 5: Solve for x
    x = 114,816,913,239,172.89/13,391,599.21
  6. Step 6: Final answer
    x = 8,573,801.49

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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.