Home / 11,973,879.40-17,963,151.90-4,784,189.80

Finding the Fourth Proportional to 11,973,879.40, 17,963,151.90 and 4,784,189.80

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Solution

The fourth proportional to 11,973,879.40, 17,963,151.90 and 4,784,189.80 is: 7,177,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973,879.40 : 17,963,151.90 = 4,784,189.80 : x
  2. Step 2: Convert to fraction form
    11,973,879.40/17,963,151.90 = 4,784,189.80/x
  3. Step 3: Cross multiply
    11,973,879.40x = 17,963,151.90 × 4,784,189.80
  4. Step 4: Simplify right side
    11,973,879.40x = 85,939,128,095,830.61
  5. Step 5: Solve for x
    x = 85,939,128,095,830.61/11,973,879.40
  6. Step 6: Final answer
    x = 7,177,216.78

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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.