Home / 7,086,017.33-9,779,015.25-3,988,740.54

Finding the Fourth Proportional to 7,086,017.33, 9,779,015.25 and 3,988,740.54

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Solution

The fourth proportional to 7,086,017.33, 9,779,015.25 and 3,988,740.54 is: 5,504,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086,017.33 : 9,779,015.25 = 3,988,740.54 : x
  2. Step 2: Convert to fraction form
    7,086,017.33/9,779,015.25 = 3,988,740.54/x
  3. Step 3: Cross multiply
    7,086,017.33x = 9,779,015.25 × 3,988,740.54
  4. Step 4: Simplify right side
    7,086,017.33x = 39,005,954,605,624.55
  5. Step 5: Solve for x
    x = 39,005,954,605,624.55/7,086,017.33
  6. Step 6: Final answer
    x = 5,504,637.20

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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.