Home / 26,875,879.68-40,294,918.08-12,483,667.20

Finding the Fourth Proportional to 26,875,879.68, 40,294,918.08 and 12,483,667.20

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Solution

The fourth proportional to 26,875,879.68, 40,294,918.08 and 12,483,667.20 is: 18,716,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,875,879.68 : 40,294,918.08 = 12,483,667.20 : x
  2. Step 2: Convert to fraction form
    26,875,879.68/40,294,918.08 = 12,483,667.20/x
  3. Step 3: Cross multiply
    26,875,879.68x = 40,294,918.08 × 12,483,667.20
  4. Step 4: Simplify right side
    26,875,879.68x = 503,028,347,161,982.94
  5. Step 5: Solve for x
    x = 503,028,347,161,982.94/26,875,879.68
  6. Step 6: Final answer
    x = 18,716,721.21

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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.