Home / 13,859,904.92-19,129,028.74-8,062,047.50

Finding the Fourth Proportional to 13,859,904.92, 19,129,028.74 and 8,062,047.50

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Solution

The fourth proportional to 13,859,904.92, 19,129,028.74 and 8,062,047.50 is: 11,126,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859,904.92 : 19,129,028.74 = 8,062,047.50 : x
  2. Step 2: Convert to fraction form
    13,859,904.92/19,129,028.74 = 8,062,047.50/x
  3. Step 3: Cross multiply
    13,859,904.92x = 19,129,028.74 × 8,062,047.50
  4. Step 4: Simplify right side
    13,859,904.92x = 154,219,138,330,745.12
  5. Step 5: Solve for x
    x = 154,219,138,330,745.12/13,859,904.92
  6. Step 6: Final answer
    x = 11,126,998.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.