Home / 12,410,382.04-18,615,577.93-3,891,382.81

Finding the Fourth Proportional to 12,410,382.04, 18,615,577.93 and 3,891,382.81

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Solution

The fourth proportional to 12,410,382.04, 18,615,577.93 and 3,891,382.81 is: 5,837,075.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410,382.04 : 18,615,577.93 = 3,891,382.81 : x
  2. Step 2: Convert to fraction form
    12,410,382.04/18,615,577.93 = 3,891,382.81/x
  3. Step 3: Cross multiply
    12,410,382.04x = 18,615,577.93 × 3,891,382.81
  4. Step 4: Simplify right side
    12,410,382.04x = 72,440,339,898,749.98
  5. Step 5: Solve for x
    x = 72,440,339,898,749.98/12,410,382.04
  6. Step 6: Final answer
    x = 5,837,075.74

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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.