Home / 21,250,438.80-29,325,470.10-12,083,082.36

Finding the Fourth Proportional to 21,250,438.80, 29,325,470.10 and 12,083,082.36

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Solution

The fourth proportional to 21,250,438.80, 29,325,470.10 and 12,083,082.36 is: 16,674,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250,438.80 : 29,325,470.10 = 12,083,082.36 : x
  2. Step 2: Convert to fraction form
    21,250,438.80/29,325,470.10 = 12,083,082.36/x
  3. Step 3: Cross multiply
    21,250,438.80x = 29,325,470.10 × 12,083,082.36
  4. Step 4: Simplify right side
    21,250,438.80x = 354,342,070,464,017.44
  5. Step 5: Solve for x
    x = 354,342,070,464,017.44/21,250,438.80
  6. Step 6: Final answer
    x = 16,674,576.64

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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.