Home / 15,194,292.56-20,968,114.08-8,318,772.80

Finding the Fourth Proportional to 15,194,292.56, 20,968,114.08 and 8,318,772.80

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Solution

The fourth proportional to 15,194,292.56, 20,968,114.08 and 8,318,772.80 is: 11,479,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194,292.56 : 20,968,114.08 = 8,318,772.80 : x
  2. Step 2: Convert to fraction form
    15,194,292.56/20,968,114.08 = 8,318,772.80/x
  3. Step 3: Cross multiply
    15,194,292.56x = 20,968,114.08 × 8,318,772.80
  4. Step 4: Simplify right side
    15,194,292.56x = 174,428,977,076,001
  5. Step 5: Solve for x
    x = 174,428,977,076,001/15,194,292.56
  6. Step 6: Final answer
    x = 11,479,901.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.