Home / 12,168,215.40-18,252,323.10-3,193,674.60

Finding the Fourth Proportional to 12,168,215.40, 18,252,323.10 and 3,193,674.60

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Solution

The fourth proportional to 12,168,215.40, 18,252,323.10 and 3,193,674.60 is: 4,790,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,215.40 : 18,252,323.10 = 3,193,674.60 : x
  2. Step 2: Convert to fraction form
    12,168,215.40/18,252,323.10 = 3,193,674.60/x
  3. Step 3: Cross multiply
    12,168,215.40x = 18,252,323.10 × 3,193,674.60
  4. Step 4: Simplify right side
    12,168,215.40x = 58,291,980,675,463.27
  5. Step 5: Solve for x
    x = 58,291,980,675,463.27/12,168,215.40
  6. Step 6: Final answer
    x = 4,790,511.90

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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.