Home / 9,739,427.63-13,440,805.75-5,388,443.07

Finding the Fourth Proportional to 9,739,427.63, 13,440,805.75 and 5,388,443.07

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Solution

The fourth proportional to 9,739,427.63, 13,440,805.75 and 5,388,443.07 is: 7,436,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739,427.63 : 13,440,805.75 = 5,388,443.07 : x
  2. Step 2: Convert to fraction form
    9,739,427.63/13,440,805.75 = 5,388,443.07/x
  3. Step 3: Cross multiply
    9,739,427.63x = 13,440,805.75 × 5,388,443.07
  4. Step 4: Simplify right side
    9,739,427.63x = 72,425,016,504,657.41
  5. Step 5: Solve for x
    x = 72,425,016,504,657.41/9,739,427.63
  6. Step 6: Final answer
    x = 7,436,270.31

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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.