Home / 31,353,080.22-47,035,676.81-11,920,795.32

Finding the Fourth Proportional to 31,353,080.22, 47,035,676.81 and 11,920,795.32

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Solution

The fourth proportional to 31,353,080.22, 47,035,676.81 and 11,920,795.32 is: 17,883,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353,080.22 : 47,035,676.81 = 11,920,795.32 : x
  2. Step 2: Convert to fraction form
    31,353,080.22/47,035,676.81 = 11,920,795.32/x
  3. Step 3: Cross multiply
    31,353,080.22x = 47,035,676.81 × 11,920,795.32
  4. Step 4: Simplify right side
    31,353,080.22x = 560,702,675,930,076.56
  5. Step 5: Solve for x
    x = 560,702,675,930,076.56/31,353,080.22
  6. Step 6: Final answer
    x = 17,883,495.72

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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.