Home / 12,096,912.60-18,145,368.90-12,012,931.80

Finding the Fourth Proportional to 12,096,912.60, 18,145,368.90 and 12,012,931.80

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Solution

The fourth proportional to 12,096,912.60, 18,145,368.90 and 12,012,931.80 is: 18,019,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,912.60 : 18,145,368.90 = 12,012,931.80 : x
  2. Step 2: Convert to fraction form
    12,096,912.60/18,145,368.90 = 12,012,931.80/x
  3. Step 3: Cross multiply
    12,096,912.60x = 18,145,368.90 × 12,012,931.80
  4. Step 4: Simplify right side
    12,096,912.60x = 217,979,079,081,541
  5. Step 5: Solve for x
    x = 217,979,079,081,541/12,096,912.60
  6. Step 6: Final answer
    x = 18,019,397.70

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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.