Home / 20,702,991.06-31,060,247.70-9,032,383.68

Finding the Fourth Proportional to 20,702,991.06, 31,060,247.70 and 9,032,383.68

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Solution

The fourth proportional to 20,702,991.06, 31,060,247.70 and 9,032,383.68 is: 13,551,089.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,991.06 : 31,060,247.70 = 9,032,383.68 : x
  2. Step 2: Convert to fraction form
    20,702,991.06/31,060,247.70 = 9,032,383.68/x
  3. Step 3: Cross multiply
    20,702,991.06x = 31,060,247.70 × 9,032,383.68
  4. Step 4: Simplify right side
    20,702,991.06x = 280,548,074,422,237.53
  5. Step 5: Solve for x
    x = 280,548,074,422,237.53/20,702,991.06
  6. Step 6: Final answer
    x = 13,551,089.00

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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.