Home / 21,445,827.82-29,595,104.28-12,280,242.04

Finding the Fourth Proportional to 21,445,827.82, 29,595,104.28 and 12,280,242.04

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Solution

The fourth proportional to 21,445,827.82, 29,595,104.28 and 12,280,242.04 is: 16,946,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445,827.82 : 29,595,104.28 = 12,280,242.04 : x
  2. Step 2: Convert to fraction form
    21,445,827.82/29,595,104.28 = 12,280,242.04/x
  3. Step 3: Cross multiply
    21,445,827.82x = 29,595,104.28 × 12,280,242.04
  4. Step 4: Simplify right side
    21,445,827.82x = 363,435,043,757,439.94
  5. Step 5: Solve for x
    x = 363,435,043,757,439.94/21,445,827.82
  6. Step 6: Final answer
    x = 16,946,654.93

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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.