Home / 21,853,539.60-32,780,309.40-5,678,163.60

Finding the Fourth Proportional to 21,853,539.60, 32,780,309.40 and 5,678,163.60

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Solution

The fourth proportional to 21,853,539.60, 32,780,309.40 and 5,678,163.60 is: 8,517,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,539.60 : 32,780,309.40 = 5,678,163.60 : x
  2. Step 2: Convert to fraction form
    21,853,539.60/32,780,309.40 = 5,678,163.60/x
  3. Step 3: Cross multiply
    21,853,539.60x = 32,780,309.40 × 5,678,163.60
  4. Step 4: Simplify right side
    21,853,539.60x = 186,131,959,631,817.81
  5. Step 5: Solve for x
    x = 186,131,959,631,817.81/21,853,539.60
  6. Step 6: Final answer
    x = 8,517,245.40

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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.