Home / 12,097,260.30-18,145,890.45-11,509,394.70

Finding the Fourth Proportional to 12,097,260.30, 18,145,890.45 and 11,509,394.70

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Solution

The fourth proportional to 12,097,260.30, 18,145,890.45 and 11,509,394.70 is: 17,264,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,260.30 : 18,145,890.45 = 11,509,394.70 : x
  2. Step 2: Convert to fraction form
    12,097,260.30/18,145,890.45 = 11,509,394.70/x
  3. Step 3: Cross multiply
    12,097,260.30x = 18,145,890.45 × 11,509,394.70
  4. Step 4: Simplify right side
    12,097,260.30x = 208,848,215,372,010.59
  5. Step 5: Solve for x
    x = 208,848,215,372,010.59/12,097,260.30
  6. Step 6: Final answer
    x = 17,264,092.05

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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.