Home / 12,454,912.60-18,682,368.90-8,199,885.40

Finding the Fourth Proportional to 12,454,912.60, 18,682,368.90 and 8,199,885.40

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Solution

The fourth proportional to 12,454,912.60, 18,682,368.90 and 8,199,885.40 is: 12,299,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,912.60 : 18,682,368.90 = 8,199,885.40 : x
  2. Step 2: Convert to fraction form
    12,454,912.60/18,682,368.90 = 8,199,885.40/x
  3. Step 3: Cross multiply
    12,454,912.60x = 18,682,368.90 × 8,199,885.40
  4. Step 4: Simplify right side
    12,454,912.60x = 153,193,283,980,524.06
  5. Step 5: Solve for x
    x = 153,193,283,980,524.06/12,454,912.60
  6. Step 6: Final answer
    x = 12,299,828.10

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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.