Home / 12,096,671.40-18,145,007.10-9,829,189.80

Finding the Fourth Proportional to 12,096,671.40, 18,145,007.10 and 9,829,189.80

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Solution

The fourth proportional to 12,096,671.40, 18,145,007.10 and 9,829,189.80 is: 14,743,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,671.40 : 18,145,007.10 = 9,829,189.80 : x
  2. Step 2: Convert to fraction form
    12,096,671.40/18,145,007.10 = 9,829,189.80/x
  3. Step 3: Cross multiply
    12,096,671.40x = 18,145,007.10 × 9,829,189.80
  4. Step 4: Simplify right side
    12,096,671.40x = 178,350,718,708,247.59
  5. Step 5: Solve for x
    x = 178,350,718,708,247.59/12,096,671.40
  6. Step 6: Final answer
    x = 14,743,784.70

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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.