Home / 9,780,409.20-14,670,540.90-2,956,969.20

Finding the Fourth Proportional to 9,780,409.20, 14,670,540.90 and 2,956,969.20

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Solution

The fourth proportional to 9,780,409.20, 14,670,540.90 and 2,956,969.20 is: 4,435,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780,409.20 : 14,670,540.90 = 2,956,969.20 : x
  2. Step 2: Convert to fraction form
    9,780,409.20/14,670,540.90 = 2,956,969.20/x
  3. Step 3: Cross multiply
    9,780,409.20x = 14,670,540.90 × 2,956,969.20
  4. Step 4: Simplify right side
    9,780,409.20x = 43,380,337,588,640.28
  5. Step 5: Solve for x
    x = 43,380,337,588,640.28/9,780,409.20
  6. Step 6: Final answer
    x = 4,435,431.76

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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.