Home / 9,780,704.40-14,671,056.60-8,198,191.20

Finding the Fourth Proportional to 9,780,704.40, 14,671,056.60 and 8,198,191.20

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Solution

The fourth proportional to 9,780,704.40, 14,671,056.60 and 8,198,191.20 is: 12,297,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780,704.40 : 14,671,056.60 = 8,198,191.20 : x
  2. Step 2: Convert to fraction form
    9,780,704.40/14,671,056.60 = 8,198,191.20/x
  3. Step 3: Cross multiply
    9,780,704.40x = 14,671,056.60 × 8,198,191.20
  4. Step 4: Simplify right side
    9,780,704.40x = 120,276,127,112,821.92
  5. Step 5: Solve for x
    x = 120,276,127,112,821.92/9,780,704.40
  6. Step 6: Final answer
    x = 12,297,286.80

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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.