Home / 21,448,007.28-32,171,730.60-5,274,098.80

Finding the Fourth Proportional to 21,448,007.28, 32,171,730.60 and 5,274,098.80

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Solution

The fourth proportional to 21,448,007.28, 32,171,730.60 and 5,274,098.80 is: 7,911,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448,007.28 : 32,171,730.60 = 5,274,098.80 : x
  2. Step 2: Convert to fraction form
    21,448,007.28/32,171,730.60 = 5,274,098.80/x
  3. Step 3: Cross multiply
    21,448,007.28x = 32,171,730.60 × 5,274,098.80
  4. Step 4: Simplify right side
    21,448,007.28x = 169,676,885,751,383.28
  5. Step 5: Solve for x
    x = 169,676,885,751,383.28/21,448,007.28
  6. Step 6: Final answer
    x = 7,911,079.27

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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.