Home / 13,129,904.40-19,694,856.60-9,303,529.20

Finding the Fourth Proportional to 13,129,904.40, 19,694,856.60 and 9,303,529.20

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Solution

The fourth proportional to 13,129,904.40, 19,694,856.60 and 9,303,529.20 is: 13,955,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,129,904.40 : 19,694,856.60 = 9,303,529.20 : x
  2. Step 2: Convert to fraction form
    13,129,904.40/19,694,856.60 = 9,303,529.20/x
  3. Step 3: Cross multiply
    13,129,904.40x = 19,694,856.60 × 9,303,529.20
  4. Step 4: Simplify right side
    13,129,904.40x = 183,231,673,467,912.72
  5. Step 5: Solve for x
    x = 183,231,673,467,912.72/13,129,904.40
  6. Step 6: Final answer
    x = 13,955,293.80

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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.