Home / 15,084,713.40-20,821,291.08-9,858,507.75

Finding the Fourth Proportional to 15,084,713.40, 20,821,291.08 and 9,858,507.75

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Solution

The fourth proportional to 15,084,713.40, 20,821,291.08 and 9,858,507.75 is: 13,607,607.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,084,713.40 : 20,821,291.08 = 9,858,507.75 : x
  2. Step 2: Convert to fraction form
    15,084,713.40/20,821,291.08 = 9,858,507.75/x
  3. Step 3: Cross multiply
    15,084,713.40x = 20,821,291.08 × 9,858,507.75
  4. Step 4: Simplify right side
    15,084,713.40x = 205,266,859,477,185.84
  5. Step 5: Solve for x
    x = 205,266,859,477,185.84/15,084,713.40
  6. Step 6: Final answer
    x = 13,607,607.52

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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.