Home / 9,320,914.96-12,862,602.32-5,190,945

Finding the Fourth Proportional to 9,320,914.96, 12,862,602.32 and 5,190,945

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Solution

The fourth proportional to 9,320,914.96, 12,862,602.32 and 5,190,945 is: 7,163,359.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320,914.96 : 12,862,602.32 = 5,190,945 : x
  2. Step 2: Convert to fraction form
    9,320,914.96/12,862,602.32 = 5,190,945/x
  3. Step 3: Cross multiply
    9,320,914.96x = 12,862,602.32 × 5,190,945
  4. Step 4: Simplify right side
    9,320,914.96x = 66,769,061,199,992.40
  5. Step 5: Solve for x
    x = 66,769,061,199,992.40/9,320,914.96
  6. Step 6: Final answer
    x = 7,163,359.12

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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.