Home / 20,789,988.60-31,151,805.30-17,405,873.40

Finding the Fourth Proportional to 20,789,988.60, 31,151,805.30 and 17,405,873.40

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Solution

The fourth proportional to 20,789,988.60, 31,151,805.30 and 17,405,873.40 is: 26,081,033.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,789,988.60 : 31,151,805.30 = 17,405,873.40 : x
  2. Step 2: Convert to fraction form
    20,789,988.60/31,151,805.30 = 17,405,873.40/x
  3. Step 3: Cross multiply
    20,789,988.60x = 31,151,805.30 × 17,405,873.40
  4. Step 4: Simplify right side
    20,789,988.60x = 542,224,379,233,249
  5. Step 5: Solve for x
    x = 542,224,379,233,249/20,789,988.60
  6. Step 6: Final answer
    x = 26,081,033.02

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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.