Home / 13,782,378.47-20,674,137.68-4,066,991.51

Finding the Fourth Proportional to 13,782,378.47, 20,674,137.68 and 4,066,991.51

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Solution

The fourth proportional to 13,782,378.47, 20,674,137.68 and 4,066,991.51 is: 6,100,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782,378.47 : 20,674,137.68 = 4,066,991.51 : x
  2. Step 2: Convert to fraction form
    13,782,378.47/20,674,137.68 = 4,066,991.51/x
  3. Step 3: Cross multiply
    13,782,378.47x = 20,674,137.68 × 4,066,991.51
  4. Step 4: Simplify right side
    13,782,378.47x = 84,081,542,482,983.92
  5. Step 5: Solve for x
    x = 84,081,542,482,983.92/13,782,378.47
  6. Step 6: Final answer
    x = 6,100,655.46

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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.