Home / 12,225,912.93-16,872,139.35-6,719,187.60

Finding the Fourth Proportional to 12,225,912.93, 16,872,139.35 and 6,719,187.60

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Solution

The fourth proportional to 12,225,912.93, 16,872,139.35 and 6,719,187.60 is: 9,272,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,912.93 : 16,872,139.35 = 6,719,187.60 : x
  2. Step 2: Convert to fraction form
    12,225,912.93/16,872,139.35 = 6,719,187.60/x
  3. Step 3: Cross multiply
    12,225,912.93x = 16,872,139.35 × 6,719,187.60
  4. Step 4: Simplify right side
    12,225,912.93x = 113,367,069,505,992.06
  5. Step 5: Solve for x
    x = 113,367,069,505,992.06/12,225,912.93
  6. Step 6: Final answer
    x = 9,272,687.46

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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.