Home / 21,904,905.80-32,876,021.10-9,793,008.20

Finding the Fourth Proportional to 21,904,905.80, 32,876,021.10 and 9,793,008.20

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Solution

The fourth proportional to 21,904,905.80, 32,876,021.10 and 9,793,008.20 is: 14,697,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904,905.80 : 32,876,021.10 = 9,793,008.20 : x
  2. Step 2: Convert to fraction form
    21,904,905.80/32,876,021.10 = 9,793,008.20/x
  3. Step 3: Cross multiply
    21,904,905.80x = 32,876,021.10 × 9,793,008.20
  4. Step 4: Simplify right side
    21,904,905.80x = 321,955,144,215,673
  5. Step 5: Solve for x
    x = 321,955,144,215,673/21,904,905.80
  6. Step 6: Final answer
    x = 14,697,855.68

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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.