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Finding the Fourth Proportional to 11,662,791.65, 16,097,854.06 and 6,769,590.17

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Solution

The fourth proportional to 11,662,791.65, 16,097,854.06 and 6,769,590.17 is: 9,343,892.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,662,791.65 : 16,097,854.06 = 6,769,590.17 : x
  2. Step 2: Convert to fraction form
    11,662,791.65/16,097,854.06 = 6,769,590.17/x
  3. Step 3: Cross multiply
    11,662,791.65x = 16,097,854.06 × 6,769,590.17
  4. Step 4: Simplify right side
    11,662,791.65x = 108,975,874,533,926.86
  5. Step 5: Solve for x
    x = 108,975,874,533,926.86/11,662,791.65
  6. Step 6: Final answer
    x = 9,343,892.76

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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.