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Finding the Fourth Proportional to 7,788,299.03, 11,668,471.19 and 4,754,103.83

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Solution

The fourth proportional to 7,788,299.03, 11,668,471.19 and 4,754,103.83 is: 7,122,623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788,299.03 : 11,668,471.19 = 4,754,103.83 : x
  2. Step 2: Convert to fraction form
    7,788,299.03/11,668,471.19 = 4,754,103.83/x
  3. Step 3: Cross multiply
    7,788,299.03x = 11,668,471.19 × 4,754,103.83
  4. Step 4: Simplify right side
    7,788,299.03x = 55,473,123,550,853.14
  5. Step 5: Solve for x
    x = 55,473,123,550,853.14/7,788,299.03
  6. Step 6: Final answer
    x = 7,122,623.74

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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.