Home / 20,181,039.50-27,858,442.93-13,569,460.20

Finding the Fourth Proportional to 20,181,039.50, 27,858,442.93 and 13,569,460.20

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Solution

The fourth proportional to 20,181,039.50, 27,858,442.93 and 13,569,460.20 is: 18,731,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181,039.50 : 27,858,442.93 = 13,569,460.20 : x
  2. Step 2: Convert to fraction form
    20,181,039.50/27,858,442.93 = 13,569,460.20/x
  3. Step 3: Cross multiply
    20,181,039.50x = 27,858,442.93 × 13,569,460.20
  4. Step 4: Simplify right side
    20,181,039.50x = 378,024,032,538,682.69
  5. Step 5: Solve for x
    x = 378,024,032,538,682.69/20,181,039.50
  6. Step 6: Final answer
    x = 18,731,643.26

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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.