Home / 13,183,136.70-19,774,705.05-5,203,923.90

Finding the Fourth Proportional to 13,183,136.70, 19,774,705.05 and 5,203,923.90

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Solution

The fourth proportional to 13,183,136.70, 19,774,705.05 and 5,203,923.90 is: 7,805,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183,136.70 : 19,774,705.05 = 5,203,923.90 : x
  2. Step 2: Convert to fraction form
    13,183,136.70/19,774,705.05 = 5,203,923.90/x
  3. Step 3: Cross multiply
    13,183,136.70x = 19,774,705.05 × 5,203,923.90
  4. Step 4: Simplify right side
    13,183,136.70x = 102,906,060,225,145.70
  5. Step 5: Solve for x
    x = 102,906,060,225,145.70/13,183,136.70
  6. Step 6: Final answer
    x = 7,805,885.85

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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.