Home / 12,454,908.60-18,682,362.90-8,199,881.40

Finding the Fourth Proportional to 12,454,908.60, 18,682,362.90 and 8,199,881.40

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Solution

The fourth proportional to 12,454,908.60, 18,682,362.90 and 8,199,881.40 is: 12,299,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,908.60 : 18,682,362.90 = 8,199,881.40 : x
  2. Step 2: Convert to fraction form
    12,454,908.60/18,682,362.90 = 8,199,881.40/x
  3. Step 3: Cross multiply
    12,454,908.60x = 18,682,362.90 × 8,199,881.40
  4. Step 4: Simplify right side
    12,454,908.60x = 153,193,160,051,760.06
  5. Step 5: Solve for x
    x = 153,193,160,051,760.06/12,454,908.60
  6. Step 6: Final answer
    x = 12,299,822.10

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1.5x scale

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.