Home / 8,436,739.50-12,659,716.26-3,578,290.29

Finding the Fourth Proportional to 8,436,739.50, 12,659,716.26 and 3,578,290.29

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Solution

The fourth proportional to 8,436,739.50, 12,659,716.26 and 3,578,290.29 is: 5,369,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436,739.50 : 12,659,716.26 = 3,578,290.29 : x
  2. Step 2: Convert to fraction form
    8,436,739.50/12,659,716.26 = 3,578,290.29/x
  3. Step 3: Cross multiply
    8,436,739.50x = 12,659,716.26 × 3,578,290.29
  4. Step 4: Simplify right side
    8,436,739.50x = 45,300,139,767,313.12
  5. Step 5: Solve for x
    x = 45,300,139,767,313.12/8,436,739.50
  6. Step 6: Final answer
    x = 5,369,389.41

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1.5x scale

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.