Home / 21,827,367.44-30,116,588.32-12,407,419.08

Finding the Fourth Proportional to 21,827,367.44, 30,116,588.32 and 12,407,419.08

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Solution

The fourth proportional to 21,827,367.44, 30,116,588.32 and 12,407,419.08 is: 17,119,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827,367.44 : 30,116,588.32 = 12,407,419.08 : x
  2. Step 2: Convert to fraction form
    21,827,367.44/30,116,588.32 = 12,407,419.08/x
  3. Step 3: Cross multiply
    21,827,367.44x = 30,116,588.32 × 12,407,419.08
  4. Step 4: Simplify right side
    21,827,367.44x = 373,669,132,546,073.12
  5. Step 5: Solve for x
    x = 373,669,132,546,073.12/21,827,367.44
  6. Step 6: Final answer
    x = 17,119,294.55

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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.