Home / 15,554,427.82-21,459,123.60-9,743,092.54

Finding the Fourth Proportional to 15,554,427.82, 21,459,123.60 and 9,743,092.54

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Solution

The fourth proportional to 15,554,427.82, 21,459,123.60 and 9,743,092.54 is: 13,441,717.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554,427.82 : 21,459,123.60 = 9,743,092.54 : x
  2. Step 2: Convert to fraction form
    15,554,427.82/21,459,123.60 = 9,743,092.54/x
  3. Step 3: Cross multiply
    15,554,427.82x = 21,459,123.60 × 9,743,092.54
  4. Step 4: Simplify right side
    15,554,427.82x = 209,078,227,062,097.94
  5. Step 5: Solve for x
    x = 209,078,227,062,097.94/15,554,427.82
  6. Step 6: Final answer
    x = 13,441,717.66

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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.