Home / 12,901,194.08-19,363,748.52-6,515,930.56

Finding the Fourth Proportional to 12,901,194.08, 19,363,748.52 and 6,515,930.56

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Solution

The fourth proportional to 12,901,194.08, 19,363,748.52 and 6,515,930.56 is: 9,779,935.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901,194.08 : 19,363,748.52 = 6,515,930.56 : x
  2. Step 2: Convert to fraction form
    12,901,194.08/19,363,748.52 = 6,515,930.56/x
  3. Step 3: Cross multiply
    12,901,194.08x = 19,363,748.52 × 6,515,930.56
  4. Step 4: Simplify right side
    12,901,194.08x = 126,172,840,737,622.77
  5. Step 5: Solve for x
    x = 126,172,840,737,622.77/12,901,194.08
  6. Step 6: Final answer
    x = 9,779,935.09

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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.