Home / 13,183,139.80-19,774,709.70-6,805,847.80

Finding the Fourth Proportional to 13,183,139.80, 19,774,709.70 and 6,805,847.80

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Solution

The fourth proportional to 13,183,139.80, 19,774,709.70 and 6,805,847.80 is: 10,208,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183,139.80 : 19,774,709.70 = 6,805,847.80 : x
  2. Step 2: Convert to fraction form
    13,183,139.80/19,774,709.70 = 6,805,847.80/x
  3. Step 3: Cross multiply
    13,183,139.80x = 19,774,709.70 × 6,805,847.80
  4. Step 4: Simplify right side
    13,183,139.80x = 134,583,664,507,383.66
  5. Step 5: Solve for x
    x = 134,583,664,507,383.66/13,183,139.80
  6. Step 6: Final answer
    x = 10,208,771.70

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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.