Home / 13,039,418.15-19,571,999.75-9,789,652.79

Finding the Fourth Proportional to 13,039,418.15, 19,571,999.75 and 9,789,652.79

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Solution

The fourth proportional to 13,039,418.15, 19,571,999.75 and 9,789,652.79 is: 14,694,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039,418.15 : 19,571,999.75 = 9,789,652.79 : x
  2. Step 2: Convert to fraction form
    13,039,418.15/19,571,999.75 = 9,789,652.79/x
  3. Step 3: Cross multiply
    13,039,418.15x = 19,571,999.75 × 9,789,652.79
  4. Step 4: Simplify right side
    13,039,418.15x = 191,603,081,909,518.53
  5. Step 5: Solve for x
    x = 191,603,081,909,518.53/13,039,418.15
  6. Step 6: Final answer
    x = 14,694,143.54

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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.