Home / 20,111,029.02-30,171,266.73-6,647,856.54

Finding the Fourth Proportional to 20,111,029.02, 30,171,266.73 and 6,647,856.54

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Solution

The fourth proportional to 20,111,029.02, 30,171,266.73 and 6,647,856.54 is: 9,973,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,029.02 : 30,171,266.73 = 6,647,856.54 : x
  2. Step 2: Convert to fraction form
    20,111,029.02/30,171,266.73 = 6,647,856.54/x
  3. Step 3: Cross multiply
    20,111,029.02x = 30,171,266.73 × 6,647,856.54
  4. Step 4: Simplify right side
    20,111,029.02x = 200,574,252,851,114.91
  5. Step 5: Solve for x
    x = 200,574,252,851,114.91/20,111,029.02
  6. Step 6: Final answer
    x = 9,973,346.10

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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.