Home / 8,618,698.40-12,933,077.36-4,783,739.22

Finding the Fourth Proportional to 8,618,698.40, 12,933,077.36 and 4,783,739.22

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Solution

The fourth proportional to 8,618,698.40, 12,933,077.36 and 4,783,739.22 is: 7,178,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618,698.40 : 12,933,077.36 = 4,783,739.22 : x
  2. Step 2: Convert to fraction form
    8,618,698.40/12,933,077.36 = 4,783,739.22/x
  3. Step 3: Cross multiply
    8,618,698.40x = 12,933,077.36 × 4,783,739.22
  4. Step 4: Simplify right side
    8,618,698.40x = 61,868,469,378,407.36
  5. Step 5: Solve for x
    x = 61,868,469,378,407.36/8,618,698.40
  6. Step 6: Final answer
    x = 7,178,400.56

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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.