Home / 15,439,620.42-21,309,231.60-8,566,316.82

Finding the Fourth Proportional to 15,439,620.42, 21,309,231.60 and 8,566,316.82

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Solution

The fourth proportional to 15,439,620.42, 21,309,231.60 and 8,566,316.82 is: 11,822,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439,620.42 : 21,309,231.60 = 8,566,316.82 : x
  2. Step 2: Convert to fraction form
    15,439,620.42/21,309,231.60 = 8,566,316.82/x
  3. Step 3: Cross multiply
    15,439,620.42x = 21,309,231.60 × 8,566,316.82
  4. Step 4: Simplify right side
    15,439,620.42x = 182,541,629,076,355.53
  5. Step 5: Solve for x
    x = 182,541,629,076,355.53/15,439,620.42
  6. Step 6: Final answer
    x = 11,822,935.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.