Home / 13,068,630.14-18,032,066.70-7,635,072.38

Finding the Fourth Proportional to 13,068,630.14, 18,032,066.70 and 7,635,072.38

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Solution

The fourth proportional to 13,068,630.14, 18,032,066.70 and 7,635,072.38 is: 10,534,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068,630.14 : 18,032,066.70 = 7,635,072.38 : x
  2. Step 2: Convert to fraction form
    13,068,630.14/18,032,066.70 = 7,635,072.38/x
  3. Step 3: Cross multiply
    13,068,630.14x = 18,032,066.70 × 7,635,072.38
  4. Step 4: Simplify right side
    13,068,630.14x = 137,676,134,415,487.73
  5. Step 5: Solve for x
    x = 137,676,134,415,487.73/13,068,630.14
  6. Step 6: Final answer
    x = 10,534,855.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.