Home / 21,441,458.36-32,168,500.38-7,794,389.75

Finding the Fourth Proportional to 21,441,458.36, 32,168,500.38 and 7,794,389.75

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Solution

The fourth proportional to 21,441,458.36, 32,168,500.38 and 7,794,389.75 is: 11,693,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,441,458.36 : 32,168,500.38 = 7,794,389.75 : x
  2. Step 2: Convert to fraction form
    21,441,458.36/32,168,500.38 = 7,794,389.75/x
  3. Step 3: Cross multiply
    21,441,458.36x = 32,168,500.38 × 7,794,389.75
  4. Step 4: Simplify right side
    21,441,458.36x = 250,733,829,473,900.59
  5. Step 5: Solve for x
    x = 250,733,829,473,900.59/21,441,458.36
  6. Step 6: Final answer
    x = 11,693,879.46

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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.