Home / 21,360,348.60-32,043,633.30-6,979,932.60

Finding the Fourth Proportional to 21,360,348.60, 32,043,633.30 and 6,979,932.60

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Solution

The fourth proportional to 21,360,348.60, 32,043,633.30 and 6,979,932.60 is: 10,470,915.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,360,348.60 : 32,043,633.30 = 6,979,932.60 : x
  2. Step 2: Convert to fraction form
    21,360,348.60/32,043,633.30 = 6,979,932.60/x
  3. Step 3: Cross multiply
    21,360,348.60x = 32,043,633.30 × 6,979,932.60
  4. Step 4: Simplify right side
    21,360,348.60x = 223,662,400,693,115.56
  5. Step 5: Solve for x
    x = 223,662,400,693,115.56/21,360,348.60
  6. Step 6: Final answer
    x = 10,470,915.29

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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.