Home / 34,450,636.75-47,542,734.92-21,214,803.40

Finding the Fourth Proportional to 34,450,636.75, 47,542,734.92 and 21,214,803.40

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Solution

The fourth proportional to 34,450,636.75, 47,542,734.92 and 21,214,803.40 is: 29,276,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,450,636.75 : 47,542,734.92 = 21,214,803.40 : x
  2. Step 2: Convert to fraction form
    34,450,636.75/47,542,734.92 = 21,214,803.40/x
  3. Step 3: Cross multiply
    34,450,636.75x = 47,542,734.92 × 21,214,803.40
  4. Step 4: Simplify right side
    34,450,636.75x = 1,008,609,774,201,183.88
  5. Step 5: Solve for x
    x = 1,008,609,774,201,183.88/34,450,636.75
  6. Step 6: Final answer
    x = 29,276,955.94

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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.