Home / 51,628,799.70-71,245,038.96-28,419,393.42

Finding the Fourth Proportional to 51,628,799.70, 71,245,038.96 and 28,419,393.42

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Solution

The fourth proportional to 51,628,799.70, 71,245,038.96 and 28,419,393.42 is: 39,217,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,628,799.70 : 71,245,038.96 = 28,419,393.42 : x
  2. Step 2: Convert to fraction form
    51,628,799.70/71,245,038.96 = 28,419,393.42/x
  3. Step 3: Cross multiply
    51,628,799.70x = 71,245,038.96 × 28,419,393.42
  4. Step 4: Simplify right side
    51,628,799.70x = 2,024,740,791,427,467.50
  5. Step 5: Solve for x
    x = 2,024,740,791,427,467.50/51,628,799.70
  6. Step 6: Final answer
    x = 39,217,274.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.