Home / 36,699,428.20-55,047,392.70-12,435,975.40

Finding the Fourth Proportional to 36,699,428.20, 55,047,392.70 and 12,435,975.40

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Solution

The fourth proportional to 36,699,428.20, 55,047,392.70 and 12,435,975.40 is: 18,653,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699,428.20 : 55,047,392.70 = 12,435,975.40 : x
  2. Step 2: Convert to fraction form
    36,699,428.20/55,047,392.70 = 12,435,975.40/x
  3. Step 3: Cross multiply
    36,699,428.20x = 55,047,392.70 × 12,435,975.40
  4. Step 4: Simplify right side
    36,699,428.20x = 684,568,021,451,339.62
  5. Step 5: Solve for x
    x = 684,568,021,451,339.62/36,699,428.20
  6. Step 6: Final answer
    x = 18,653,370.23

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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.