Home / 20,687,060.18-31,009,298.82-9,177,947.60

Finding the Fourth Proportional to 20,687,060.18, 31,009,298.82 and 9,177,947.60

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Solution

The fourth proportional to 20,687,060.18, 31,009,298.82 and 9,177,947.60 is: 13,757,475.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,687,060.18 : 31,009,298.82 = 9,177,947.60 : x
  2. Step 2: Convert to fraction form
    20,687,060.18/31,009,298.82 = 9,177,947.60/x
  3. Step 3: Cross multiply
    20,687,060.18x = 31,009,298.82 × 9,177,947.60
  4. Step 4: Simplify right side
    20,687,060.18x = 284,601,719,682,701.81
  5. Step 5: Solve for x
    x = 284,601,719,682,701.81/20,687,060.18
  6. Step 6: Final answer
    x = 13,757,475.31

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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.