Home / 12,181,732.56-18,265,516.20-4,609,282.32

Finding the Fourth Proportional to 12,181,732.56, 18,265,516.20 and 4,609,282.32

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Solution

The fourth proportional to 12,181,732.56, 18,265,516.20 and 4,609,282.32 is: 6,911,243.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181,732.56 : 18,265,516.20 = 4,609,282.32 : x
  2. Step 2: Convert to fraction form
    12,181,732.56/18,265,516.20 = 4,609,282.32/x
  3. Step 3: Cross multiply
    12,181,732.56x = 18,265,516.20 × 4,609,282.32
  4. Step 4: Simplify right side
    12,181,732.56x = 84,190,920,886,333.59
  5. Step 5: Solve for x
    x = 84,190,920,886,333.59/12,181,732.56
  6. Step 6: Final answer
    x = 6,911,243.57

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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.