Home / 13,620,610.28-20,424,767.08-3,903,000.60

Finding the Fourth Proportional to 13,620,610.28, 20,424,767.08 and 3,903,000.60

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Solution

The fourth proportional to 13,620,610.28, 20,424,767.08 and 3,903,000.60 is: 5,852,739.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,610.28 : 20,424,767.08 = 3,903,000.60 : x
  2. Step 2: Convert to fraction form
    13,620,610.28/20,424,767.08 = 3,903,000.60/x
  3. Step 3: Cross multiply
    13,620,610.28x = 20,424,767.08 × 3,903,000.60
  4. Step 4: Simplify right side
    13,620,610.28x = 79,717,878,168,100.25
  5. Step 5: Solve for x
    x = 79,717,878,168,100.25/13,620,610.28
  6. Step 6: Final answer
    x = 5,852,739.09

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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.