Home / 12,268,886.55-18,403,373.52-3,749,187.48

Finding the Fourth Proportional to 12,268,886.55, 18,403,373.52 and 3,749,187.48

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Solution

The fourth proportional to 12,268,886.55, 18,403,373.52 and 3,749,187.48 is: 5,623,794.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,886.55 : 18,403,373.52 = 3,749,187.48 : x
  2. Step 2: Convert to fraction form
    12,268,886.55/18,403,373.52 = 3,749,187.48/x
  3. Step 3: Cross multiply
    12,268,886.55x = 18,403,373.52 × 3,749,187.48
  4. Step 4: Simplify right side
    12,268,886.55x = 68,997,697,590,947.53
  5. Step 5: Solve for x
    x = 68,997,697,590,947.53/12,268,886.55
  6. Step 6: Final answer
    x = 5,623,794.57

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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.