Home / 20,861,474.06-31,296,688.88-7,029,799.25

Finding the Fourth Proportional to 20,861,474.06, 31,296,688.88 and 7,029,799.25

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Solution

The fourth proportional to 20,861,474.06, 31,296,688.88 and 7,029,799.25 is: 10,546,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,861,474.06 : 31,296,688.88 = 7,029,799.25 : x
  2. Step 2: Convert to fraction form
    20,861,474.06/31,296,688.88 = 7,029,799.25/x
  3. Step 3: Cross multiply
    20,861,474.06x = 31,296,688.88 × 7,029,799.25
  4. Step 4: Simplify right side
    20,861,474.06x = 220,009,439,824,474.91
  5. Step 5: Solve for x
    x = 220,009,439,824,474.91/20,861,474.06
  6. Step 6: Final answer
    x = 10,546,207.77

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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.