Home / 13,999,644.96-21,022,250.45-8,642,350.59

Finding the Fourth Proportional to 13,999,644.96, 21,022,250.45 and 8,642,350.59

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Solution

The fourth proportional to 13,999,644.96, 21,022,250.45 and 8,642,350.59 is: 12,977,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999,644.96 : 21,022,250.45 = 8,642,350.59 : x
  2. Step 2: Convert to fraction form
    13,999,644.96/21,022,250.45 = 8,642,350.59/x
  3. Step 3: Cross multiply
    13,999,644.96x = 21,022,250.45 × 8,642,350.59
  4. Step 4: Simplify right side
    13,999,644.96x = 181,681,658,579,685.25
  5. Step 5: Solve for x
    x = 181,681,658,579,685.25/13,999,644.96
  6. Step 6: Final answer
    x = 12,977,590.44

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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.