Home / 12,111,012.31-16,713,600.46-6,604,687.59

Finding the Fourth Proportional to 12,111,012.31, 16,713,600.46 and 6,604,687.59

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Solution

The fourth proportional to 12,111,012.31, 16,713,600.46 and 6,604,687.59 is: 9,114,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111,012.31 : 16,713,600.46 = 6,604,687.59 : x
  2. Step 2: Convert to fraction form
    12,111,012.31/16,713,600.46 = 6,604,687.59/x
  3. Step 3: Cross multiply
    12,111,012.31x = 16,713,600.46 × 6,604,687.59
  4. Step 4: Simplify right side
    12,111,012.31x = 110,388,109,542,380.30
  5. Step 5: Solve for x
    x = 110,388,109,542,380.30/12,111,012.31
  6. Step 6: Final answer
    x = 9,114,688.91

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1.5x scale

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.