Home / 20,111,045.02-30,171,290.73-6,647,872.54

Finding the Fourth Proportional to 20,111,045.02, 30,171,290.73 and 6,647,872.54

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Solution

The fourth proportional to 20,111,045.02, 30,171,290.73 and 6,647,872.54 is: 9,973,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,045.02 : 30,171,290.73 = 6,647,872.54 : x
  2. Step 2: Convert to fraction form
    20,111,045.02/30,171,290.73 = 6,647,872.54/x
  3. Step 3: Cross multiply
    20,111,045.02x = 30,171,290.73 × 6,647,872.54
  4. Step 4: Simplify right side
    20,111,045.02x = 200,574,895,140,323.56
  5. Step 5: Solve for x
    x = 200,574,895,140,323.56/20,111,045.02
  6. Step 6: Final answer
    x = 9,973,370.10

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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.