Home / 13,539,432.25-20,318,845.08-5,763,798.07

Finding the Fourth Proportional to 13,539,432.25, 20,318,845.08 and 5,763,798.07

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Solution

The fourth proportional to 13,539,432.25, 20,318,845.08 and 5,763,798.07 is: 8,649,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,539,432.25 : 20,318,845.08 = 5,763,798.07 : x
  2. Step 2: Convert to fraction form
    13,539,432.25/20,318,845.08 = 5,763,798.07/x
  3. Step 3: Cross multiply
    13,539,432.25x = 20,318,845.08 × 5,763,798.07
  4. Step 4: Simplify right side
    13,539,432.25x = 117,113,720,056,732.98
  5. Step 5: Solve for x
    x = 117,113,720,056,732.98/13,539,432.25
  6. Step 6: Final answer
    x = 8,649,825.04

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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.