Home / 9,860,852.72-13,607,715.70-5,509,974.79

Finding the Fourth Proportional to 9,860,852.72, 13,607,715.70 and 5,509,974.79

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Solution

The fourth proportional to 9,860,852.72, 13,607,715.70 and 5,509,974.79 is: 7,603,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860,852.72 : 13,607,715.70 = 5,509,974.79 : x
  2. Step 2: Convert to fraction form
    9,860,852.72/13,607,715.70 = 5,509,974.79/x
  3. Step 3: Cross multiply
    9,860,852.72x = 13,607,715.70 × 5,509,974.79
  4. Step 4: Simplify right side
    9,860,852.72x = 74,978,170,374,673.69
  5. Step 5: Solve for x
    x = 74,978,170,374,673.69/9,860,852.72
  6. Step 6: Final answer
    x = 7,603,619.33

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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.