Home / 8,263,410.92-11,399,969.73-5,160,547.43

Finding the Fourth Proportional to 8,263,410.92, 11,399,969.73 and 5,160,547.43

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Solution

The fourth proportional to 8,263,410.92, 11,399,969.73 and 5,160,547.43 is: 7,119,346.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,410.92 : 11,399,969.73 = 5,160,547.43 : x
  2. Step 2: Convert to fraction form
    8,263,410.92/11,399,969.73 = 5,160,547.43/x
  3. Step 3: Cross multiply
    8,263,410.92x = 11,399,969.73 × 5,160,547.43
  4. Step 4: Simplify right side
    8,263,410.92x = 58,830,084,497,331.39
  5. Step 5: Solve for x
    x = 58,830,084,497,331.39/8,263,410.92
  6. Step 6: Final answer
    x = 7,119,346.37

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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.