Home / 28,665,042.96-42,997,296.96-11,621,664.48

Finding the Fourth Proportional to 28,665,042.96, 42,997,296.96 and 11,621,664.48

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Solution

The fourth proportional to 28,665,042.96, 42,997,296.96 and 11,621,664.48 is: 17,432,388.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665,042.96 : 42,997,296.96 = 11,621,664.48 : x
  2. Step 2: Convert to fraction form
    28,665,042.96/42,997,296.96 = 11,621,664.48/x
  3. Step 3: Cross multiply
    28,665,042.96x = 42,997,296.96 × 11,621,664.48
  4. Step 4: Simplify right side
    28,665,042.96x = 499,700,158,816,044
  5. Step 5: Solve for x
    x = 499,700,158,816,044/28,665,042.96
  6. Step 6: Final answer
    x = 17,432,388.28

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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.