Home / 31,353,080.87-47,035,677.80-11,920,795.97

Finding the Fourth Proportional to 31,353,080.87, 47,035,677.80 and 11,920,795.97

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Solution

The fourth proportional to 31,353,080.87, 47,035,677.80 and 11,920,795.97 is: 17,883,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353,080.87 : 47,035,677.80 = 11,920,795.97 : x
  2. Step 2: Convert to fraction form
    31,353,080.87/47,035,677.80 = 11,920,795.97/x
  3. Step 3: Cross multiply
    31,353,080.87x = 47,035,677.80 × 11,920,795.97
  4. Step 4: Simplify right side
    31,353,080.87x = 560,702,718,367,773.06
  5. Step 5: Solve for x
    x = 560,702,718,367,773.06/31,353,080.87
  6. Step 6: Final answer
    x = 17,883,496.70

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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.