Home / 31,353,079.89-47,035,676.32-11,920,794.99

Finding the Fourth Proportional to 31,353,079.89, 47,035,676.32 and 11,920,794.99

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Solution

The fourth proportional to 31,353,079.89, 47,035,676.32 and 11,920,794.99 is: 17,883,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353,079.89 : 47,035,676.32 = 11,920,794.99 : x
  2. Step 2: Convert to fraction form
    31,353,079.89/47,035,676.32 = 11,920,794.99/x
  3. Step 3: Cross multiply
    31,353,079.89x = 47,035,676.32 × 11,920,794.99
  4. Step 4: Simplify right side
    31,353,079.89x = 560,702,654,465,234.81
  5. Step 5: Solve for x
    x = 560,702,654,465,234.81/31,353,079.89
  6. Step 6: Final answer
    x = 17,883,495.22

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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.