Home / 9,642,780.33-13,306,157.26-5,721,860.71

Finding the Fourth Proportional to 9,642,780.33, 13,306,157.26 and 5,721,860.71

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Solution

The fourth proportional to 9,642,780.33, 13,306,157.26 and 5,721,860.71 is: 7,895,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,780.33 : 13,306,157.26 = 5,721,860.71 : x
  2. Step 2: Convert to fraction form
    9,642,780.33/13,306,157.26 = 5,721,860.71/x
  3. Step 3: Cross multiply
    9,642,780.33x = 13,306,157.26 × 5,721,860.71
  4. Step 4: Simplify right side
    9,642,780.33x = 76,135,978,427,075.25
  5. Step 5: Solve for x
    x = 76,135,978,427,075.25/9,642,780.33
  6. Step 6: Final answer
    x = 7,895,645.84

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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.