Home / 15,504,322.26-21,395,965.01-8,630,428.17

Finding the Fourth Proportional to 15,504,322.26, 21,395,965.01 and 8,630,428.17

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Solution

The fourth proportional to 15,504,322.26, 21,395,965.01 and 8,630,428.17 is: 11,909,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,322.26 : 21,395,965.01 = 8,630,428.17 : x
  2. Step 2: Convert to fraction form
    15,504,322.26/21,395,965.01 = 8,630,428.17/x
  3. Step 3: Cross multiply
    15,504,322.26x = 21,395,965.01 × 8,630,428.17
  4. Step 4: Simplify right side
    15,504,322.26x = 184,656,339,103,486.19
  5. Step 5: Solve for x
    x = 184,656,339,103,486.19/15,504,322.26
  6. Step 6: Final answer
    x = 11,909,991.03

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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.