Home / 12,096,886.60-18,145,329.90-12,012,905.80

Finding the Fourth Proportional to 12,096,886.60, 18,145,329.90 and 12,012,905.80

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Solution

The fourth proportional to 12,096,886.60, 18,145,329.90 and 12,012,905.80 is: 18,019,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,886.60 : 18,145,329.90 = 12,012,905.80 : x
  2. Step 2: Convert to fraction form
    12,096,886.60/18,145,329.90 = 12,012,905.80/x
  3. Step 3: Cross multiply
    12,096,886.60x = 18,145,329.90 × 12,012,905.80
  4. Step 4: Simplify right side
    12,096,886.60x = 217,978,138,798,623.41
  5. Step 5: Solve for x
    x = 217,978,138,798,623.41/12,096,886.60
  6. Step 6: Final answer
    x = 18,019,358.70

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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.