Home / 12,710,999.57-19,059,318.88-11,626,423.21

Finding the Fourth Proportional to 12,710,999.57, 19,059,318.88 and 11,626,423.21

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Solution

The fourth proportional to 12,710,999.57, 19,059,318.88 and 11,626,423.21 is: 17,433,067.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710,999.57 : 19,059,318.88 = 11,626,423.21 : x
  2. Step 2: Convert to fraction form
    12,710,999.57/19,059,318.88 = 11,626,423.21/x
  3. Step 3: Cross multiply
    12,710,999.57x = 19,059,318.88 × 11,626,423.21
  4. Step 4: Simplify right side
    12,710,999.57x = 221,591,707,387,981.31
  5. Step 5: Solve for x
    x = 221,591,707,387,981.31/12,710,999.57
  6. Step 6: Final answer
    x = 17,433,067.03

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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.