Home / 21,827,366.44-30,116,586.94-12,407,418.08

Finding the Fourth Proportional to 21,827,366.44, 30,116,586.94 and 12,407,418.08

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Solution

The fourth proportional to 21,827,366.44, 30,116,586.94 and 12,407,418.08 is: 17,119,293.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827,366.44 : 30,116,586.94 = 12,407,418.08 : x
  2. Step 2: Convert to fraction form
    21,827,366.44/30,116,586.94 = 12,407,418.08/x
  3. Step 3: Cross multiply
    21,827,366.44x = 30,116,586.94 × 12,407,418.08
  4. Step 4: Simplify right side
    21,827,366.44x = 373,669,085,307,247.88
  5. Step 5: Solve for x
    x = 373,669,085,307,247.88/21,827,366.44
  6. Step 6: Final answer
    x = 17,119,293.17

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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.