Home / 13,342,149.66-18,373,979.74-12,510,766.20

Finding the Fourth Proportional to 13,342,149.66, 18,373,979.74 and 12,510,766.20

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Solution

The fourth proportional to 13,342,149.66, 18,373,979.74 and 12,510,766.20 is: 17,229,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342,149.66 : 18,373,979.74 = 12,510,766.20 : x
  2. Step 2: Convert to fraction form
    13,342,149.66/18,373,979.74 = 12,510,766.20/x
  3. Step 3: Cross multiply
    13,342,149.66x = 18,373,979.74 × 12,510,766.20
  4. Step 4: Simplify right side
    13,342,149.66x = 229,872,564,628,122.94
  5. Step 5: Solve for x
    x = 229,872,564,628,122.94/13,342,149.66
  6. Step 6: Final answer
    x = 17,229,050.08

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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.