Home / 12,201,199.31-16,837,687.02-6,619,445.53

Finding the Fourth Proportional to 12,201,199.31, 16,837,687.02 and 6,619,445.53

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Solution

The fourth proportional to 12,201,199.31, 16,837,687.02 and 6,619,445.53 is: 9,134,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201,199.31 : 16,837,687.02 = 6,619,445.53 : x
  2. Step 2: Convert to fraction form
    12,201,199.31/16,837,687.02 = 6,619,445.53/x
  3. Step 3: Cross multiply
    12,201,199.31x = 16,837,687.02 × 6,619,445.53
  4. Step 4: Simplify right side
    12,201,199.31x = 111,456,152,080,078.02
  5. Step 5: Solve for x
    x = 111,456,152,080,078.02/12,201,199.31
  6. Step 6: Final answer
    x = 9,134,852.18

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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.