Home / 12,096,420.40-18,120,136.20-7,533,463.60

Finding the Fourth Proportional to 12,096,420.40, 18,120,136.20 and 7,533,463.60

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Solution

The fourth proportional to 12,096,420.40, 18,120,136.20 and 7,533,463.60 is: 11,284,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,420.40 : 18,120,136.20 = 7,533,463.60 : x
  2. Step 2: Convert to fraction form
    12,096,420.40/18,120,136.20 = 7,533,463.60/x
  3. Step 3: Cross multiply
    12,096,420.40x = 18,120,136.20 × 7,533,463.60
  4. Step 4: Simplify right side
    12,096,420.40x = 136,507,386,489,742.31
  5. Step 5: Solve for x
    x = 136,507,386,489,742.31/12,096,420.40
  6. Step 6: Final answer
    x = 11,284,940.67

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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.