Home / 20,687,061.18-31,009,300.32-9,177,948.60

Finding the Fourth Proportional to 20,687,061.18, 31,009,300.32 and 9,177,948.60

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Solution

The fourth proportional to 20,687,061.18, 31,009,300.32 and 9,177,948.60 is: 13,757,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,687,061.18 : 31,009,300.32 = 9,177,948.60 : x
  2. Step 2: Convert to fraction form
    20,687,061.18/31,009,300.32 = 9,177,948.60/x
  3. Step 3: Cross multiply
    20,687,061.18x = 31,009,300.32 × 9,177,948.60
  4. Step 4: Simplify right side
    20,687,061.18x = 284,601,764,458,923.56
  5. Step 5: Solve for x
    x = 284,601,764,458,923.56/20,687,061.18
  6. Step 6: Final answer
    x = 13,757,476.81

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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.