Home / 11,766,872.61-17,640,200.16-4,089,520.08

Finding the Fourth Proportional to 11,766,872.61, 17,640,200.16 and 4,089,520.08

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Solution

The fourth proportional to 11,766,872.61, 17,640,200.16 and 4,089,520.08 is: 6,130,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766,872.61 : 17,640,200.16 = 4,089,520.08 : x
  2. Step 2: Convert to fraction form
    11,766,872.61/17,640,200.16 = 4,089,520.08/x
  3. Step 3: Cross multiply
    11,766,872.61x = 17,640,200.16 × 4,089,520.08
  4. Step 4: Simplify right side
    11,766,872.61x = 72,139,952,769,539.22
  5. Step 5: Solve for x
    x = 72,139,952,769,539.22/11,766,872.61
  6. Step 6: Final answer
    x = 6,130,766.87

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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.