Home / 7,202,208.48-9,938,907.90-3,939,013.08

Finding the Fourth Proportional to 7,202,208.48, 9,938,907.90 and 3,939,013.08

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Solution

The fourth proportional to 7,202,208.48, 9,938,907.90 and 3,939,013.08 is: 5,435,761.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202,208.48 : 9,938,907.90 = 3,939,013.08 : x
  2. Step 2: Convert to fraction form
    7,202,208.48/9,938,907.90 = 3,939,013.08/x
  3. Step 3: Cross multiply
    7,202,208.48x = 9,938,907.90 × 3,939,013.08
  4. Step 4: Simplify right side
    7,202,208.48x = 39,149,488,219,015.34
  5. Step 5: Solve for x
    x = 39,149,488,219,015.34/7,202,208.48
  6. Step 6: Final answer
    x = 5,435,761.59

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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.