Home / 9,739,427.12-13,440,805.06-5,388,442.56

Finding the Fourth Proportional to 9,739,427.12, 13,440,805.06 and 5,388,442.56

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Solution

The fourth proportional to 9,739,427.12, 13,440,805.06 and 5,388,442.56 is: 7,436,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739,427.12 : 13,440,805.06 = 5,388,442.56 : x
  2. Step 2: Convert to fraction form
    9,739,427.12/13,440,805.06 = 5,388,442.56/x
  3. Step 3: Cross multiply
    9,739,427.12x = 13,440,805.06 × 5,388,442.56
  4. Step 4: Simplify right side
    9,739,427.12x = 72,425,006,032,627.16
  5. Step 5: Solve for x
    x = 72,425,006,032,627.16/9,739,427.12
  6. Step 6: Final answer
    x = 7,436,269.62

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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.