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Finding the Fourth Proportional to 9,743,317.80, 13,663,039.80 and 9,743,317.80

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Solution

The fourth proportional to 9,743,317.80, 13,663,039.80 and 9,743,317.80 is: 13,663,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,743,317.80 : 13,663,039.80 = 9,743,317.80 : x
  2. Step 2: Convert to fraction form
    9,743,317.80/13,663,039.80 = 9,743,317.80/x
  3. Step 3: Cross multiply
    9,743,317.80x = 13,663,039.80 × 9,743,317.80
  4. Step 4: Simplify right side
    9,743,317.80x = 133,123,338,885,448.45
  5. Step 5: Solve for x
    x = 133,123,338,885,448.45/9,743,317.80
  6. Step 6: Final answer
    x = 13,663,039.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.