Home / 21,985,736.40-32,978,604.60-16,317,032.40

Finding the Fourth Proportional to 21,985,736.40, 32,978,604.60 and 16,317,032.40

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Solution

The fourth proportional to 21,985,736.40, 32,978,604.60 and 16,317,032.40 is: 24,475,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,985,736.40 : 32,978,604.60 = 16,317,032.40 : x
  2. Step 2: Convert to fraction form
    21,985,736.40/32,978,604.60 = 16,317,032.40/x
  3. Step 3: Cross multiply
    21,985,736.40x = 32,978,604.60 × 16,317,032.40
  4. Step 4: Simplify right side
    21,985,736.40x = 538,112,959,764,989.06
  5. Step 5: Solve for x
    x = 538,112,959,764,989.06/21,985,736.40
  6. Step 6: Final answer
    x = 24,475,548.60

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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.