Home / 20,687,010.66-31,009,224.60-9,177,898.06

Finding the Fourth Proportional to 20,687,010.66, 31,009,224.60 and 9,177,898.06

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Solution

The fourth proportional to 20,687,010.66, 31,009,224.60 and 9,177,898.06 is: 13,757,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,687,010.66 : 31,009,224.60 = 9,177,898.06 : x
  2. Step 2: Convert to fraction form
    20,687,010.66/31,009,224.60 = 9,177,898.06/x
  3. Step 3: Cross multiply
    20,687,010.66x = 31,009,224.60 × 9,177,898.06
  4. Step 4: Simplify right side
    20,687,010.66x = 284,599,502,298,444.31
  5. Step 5: Solve for x
    x = 284,599,502,298,444.31/20,687,010.66
  6. Step 6: Final answer
    x = 13,757,401.06

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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.