Home / 31,410,199.65-47,116,349.25-8,689,194.21

Finding the Fourth Proportional to 31,410,199.65, 47,116,349.25 and 8,689,194.21

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Solution

The fourth proportional to 31,410,199.65, 47,116,349.25 and 8,689,194.21 is: 13,034,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410,199.65 : 47,116,349.25 = 8,689,194.21 : x
  2. Step 2: Convert to fraction form
    31,410,199.65/47,116,349.25 = 8,689,194.21/x
  3. Step 3: Cross multiply
    31,410,199.65x = 47,116,349.25 × 8,689,194.21
  4. Step 4: Simplify right side
    31,410,199.65x = 409,403,109,099,437.88
  5. Step 5: Solve for x
    x = 409,403,109,099,437.88/31,410,199.65
  6. Step 6: Final answer
    x = 13,034,081.72

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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.