Home / 13,500,945.18-18,631,162.38-7,305,856.32

Finding the Fourth Proportional to 13,500,945.18, 18,631,162.38 and 7,305,856.32

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Solution

The fourth proportional to 13,500,945.18, 18,631,162.38 and 7,305,856.32 is: 10,082,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500,945.18 : 18,631,162.38 = 7,305,856.32 : x
  2. Step 2: Convert to fraction form
    13,500,945.18/18,631,162.38 = 7,305,856.32/x
  3. Step 3: Cross multiply
    13,500,945.18x = 18,631,162.38 × 7,305,856.32
  4. Step 4: Simplify right side
    13,500,945.18x = 136,116,595,422,869.23
  5. Step 5: Solve for x
    x = 136,116,595,422,869.23/13,500,945.18
  6. Step 6: Final answer
    x = 10,082,004.90

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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.