Home / 11,702,945.92-16,143,561.92-6,807,617.28

Finding the Fourth Proportional to 11,702,945.92, 16,143,561.92 and 6,807,617.28

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Solution

The fourth proportional to 11,702,945.92, 16,143,561.92 and 6,807,617.28 is: 9,390,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702,945.92 : 16,143,561.92 = 6,807,617.28 : x
  2. Step 2: Convert to fraction form
    11,702,945.92/16,143,561.92 = 6,807,617.28/x
  3. Step 3: Cross multiply
    11,702,945.92x = 16,143,561.92 × 6,807,617.28
  4. Step 4: Simplify right side
    11,702,945.92x = 109,899,191,087,341.98
  5. Step 5: Solve for x
    x = 109,899,191,087,341.98/11,702,945.92
  6. Step 6: Final answer
    x = 9,390,728.78

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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.