Home / 36,699,681.20-55,047,772.20-12,436,228.40

Finding the Fourth Proportional to 36,699,681.20, 55,047,772.20 and 12,436,228.40

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Solution

The fourth proportional to 36,699,681.20, 55,047,772.20 and 12,436,228.40 is: 18,653,749.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699,681.20 : 55,047,772.20 = 12,436,228.40 : x
  2. Step 2: Convert to fraction form
    36,699,681.20/55,047,772.20 = 12,436,228.40/x
  3. Step 3: Cross multiply
    36,699,681.20x = 55,047,772.20 × 12,436,228.40
  4. Step 4: Simplify right side
    36,699,681.20x = 684,586,667,990,370.50
  5. Step 5: Solve for x
    x = 684,586,667,990,370.50/36,699,681.20
  6. Step 6: Final answer
    x = 18,653,749.72

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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.