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Finding the Fourth Proportional to 9,415,767.80, 14,123,651.70 and 8,848,897.40

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Solution

The fourth proportional to 9,415,767.80, 14,123,651.70 and 8,848,897.40 is: 13,273,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415,767.80 : 14,123,651.70 = 8,848,897.40 : x
  2. Step 2: Convert to fraction form
    9,415,767.80/14,123,651.70 = 8,848,897.40/x
  3. Step 3: Cross multiply
    9,415,767.80x = 14,123,651.70 × 8,848,897.40
  4. Step 4: Simplify right side
    9,415,767.80x = 124,978,744,806,635.58
  5. Step 5: Solve for x
    x = 124,978,744,806,635.58/9,415,767.80
  6. Step 6: Final answer
    x = 13,273,346.10

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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.