Home / 13,742,912.26-20,609,790.72-5,543,436.75

Finding the Fourth Proportional to 13,742,912.26, 20,609,790.72 and 5,543,436.75

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Solution

The fourth proportional to 13,742,912.26, 20,609,790.72 and 5,543,436.75 is: 8,313,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,912.26 : 20,609,790.72 = 5,543,436.75 : x
  2. Step 2: Convert to fraction form
    13,742,912.26/20,609,790.72 = 5,543,436.75/x
  3. Step 3: Cross multiply
    13,742,912.26x = 20,609,790.72 × 5,543,436.75
  4. Step 4: Simplify right side
    13,742,912.26x = 114,249,071,287,056.95
  5. Step 5: Solve for x
    x = 114,249,071,287,056.95/13,742,912.26
  6. Step 6: Final answer
    x = 8,313,308.64

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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.