Home / 13,742,266.50-20,613,388.03-3,507,125.47

Finding the Fourth Proportional to 13,742,266.50, 20,613,388.03 and 3,507,125.47

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Solution

The fourth proportional to 13,742,266.50, 20,613,388.03 and 3,507,125.47 is: 5,260,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,266.50 : 20,613,388.03 = 3,507,125.47 : x
  2. Step 2: Convert to fraction form
    13,742,266.50/20,613,388.03 = 3,507,125.47/x
  3. Step 3: Cross multiply
    13,742,266.50x = 20,613,388.03 × 3,507,125.47
  4. Step 4: Simplify right side
    13,742,266.50x = 72,293,738,122,704.83
  5. Step 5: Solve for x
    x = 72,293,738,122,704.83/13,742,266.50
  6. Step 6: Final answer
    x = 5,260,685.21

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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.