Home / 11,973,876.40-17,963,147.40-4,784,186.80

Finding the Fourth Proportional to 11,973,876.40, 17,963,147.40 and 4,784,186.80

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Solution

The fourth proportional to 11,973,876.40, 17,963,147.40 and 4,784,186.80 is: 7,177,212.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973,876.40 : 17,963,147.40 = 4,784,186.80 : x
  2. Step 2: Convert to fraction form
    11,973,876.40/17,963,147.40 = 4,784,186.80/x
  3. Step 3: Cross multiply
    11,973,876.40x = 17,963,147.40 × 4,784,186.80
  4. Step 4: Simplify right side
    11,973,876.40x = 85,939,052,677,534.31
  5. Step 5: Solve for x
    x = 85,939,052,677,534.31/11,973,876.40
  6. Step 6: Final answer
    x = 7,177,212.28

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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.