Home / 21,989,873.20-32,997,672.60-9,209,304.40

Finding the Fourth Proportional to 21,989,873.20, 32,997,672.60 and 9,209,304.40

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Solution

The fourth proportional to 21,989,873.20, 32,997,672.60 and 9,209,304.40 is: 13,819,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,989,873.20 : 32,997,672.60 = 9,209,304.40 : x
  2. Step 2: Convert to fraction form
    21,989,873.20/32,997,672.60 = 9,209,304.40/x
  3. Step 3: Cross multiply
    21,989,873.20x = 32,997,672.60 × 9,209,304.40
  4. Step 4: Simplify right side
    21,989,873.20x = 303,885,611,464,939.44
  5. Step 5: Solve for x
    x = 303,885,611,464,939.44/21,989,873.20
  6. Step 6: Final answer
    x = 13,819,343.51

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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.