Home / 13,526,099.82-18,666,245.16-7,331,342.94

Finding the Fourth Proportional to 13,526,099.82, 18,666,245.16 and 7,331,342.94

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Solution

The fourth proportional to 13,526,099.82, 18,666,245.16 and 7,331,342.94 is: 10,117,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526,099.82 : 18,666,245.16 = 7,331,342.94 : x
  2. Step 2: Convert to fraction form
    13,526,099.82/18,666,245.16 = 7,331,342.94/x
  3. Step 3: Cross multiply
    13,526,099.82x = 18,666,245.16 × 7,331,342.94
  4. Step 4: Simplify right side
    13,526,099.82x = 136,848,644,670,075.17
  5. Step 5: Solve for x
    x = 136,848,644,670,075.17/13,526,099.82
  6. Step 6: Final answer
    x = 10,117,376.52

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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.