Home / 19,660,406.87-27,142,999.76-17,478,924.60

Finding the Fourth Proportional to 19,660,406.87, 27,142,999.76 and 17,478,924.60

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Solution

The fourth proportional to 19,660,406.87, 27,142,999.76 and 17,478,924.60 is: 24,131,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660,406.87 : 27,142,999.76 = 17,478,924.60 : x
  2. Step 2: Convert to fraction form
    19,660,406.87/27,142,999.76 = 17,478,924.60/x
  3. Step 3: Cross multiply
    19,660,406.87x = 27,142,999.76 × 17,478,924.60
  4. Step 4: Simplify right side
    19,660,406.87x = 474,430,446,266,555.44
  5. Step 5: Solve for x
    x = 474,430,446,266,555.44/19,660,406.87
  6. Step 6: Final answer
    x = 24,131,262.86

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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.