Home / 13,786,423.80-19,012,879.62-8,630,255.40

Finding the Fourth Proportional to 13,786,423.80, 19,012,879.62 and 8,630,255.40

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Solution

The fourth proportional to 13,786,423.80, 19,012,879.62 and 8,630,255.40 is: 11,901,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786,423.80 : 19,012,879.62 = 8,630,255.40 : x
  2. Step 2: Convert to fraction form
    13,786,423.80/19,012,879.62 = 8,630,255.40/x
  3. Step 3: Cross multiply
    13,786,423.80x = 19,012,879.62 × 8,630,255.40
  4. Step 4: Simplify right side
    13,786,423.80x = 164,086,007,010,054.97
  5. Step 5: Solve for x
    x = 164,086,007,010,054.97/13,786,423.80
  6. Step 6: Final answer
    x = 11,901,999.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.