Home / 13,609,548.10-20,414,322.15-9,783,172.90

Finding the Fourth Proportional to 13,609,548.10, 20,414,322.15 and 9,783,172.90

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Solution

The fourth proportional to 13,609,548.10, 20,414,322.15 and 9,783,172.90 is: 14,674,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,548.10 : 20,414,322.15 = 9,783,172.90 : x
  2. Step 2: Convert to fraction form
    13,609,548.10/20,414,322.15 = 9,783,172.90/x
  3. Step 3: Cross multiply
    13,609,548.10x = 20,414,322.15 × 9,783,172.90
  4. Step 4: Simplify right side
    13,609,548.10x = 199,716,843,229,749.72
  5. Step 5: Solve for x
    x = 199,716,843,229,749.72/13,609,548.10
  6. Step 6: Final answer
    x = 14,674,759.35

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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.