Home / 12,826,170.63-17,700,401.85-7,319,435.85

Finding the Fourth Proportional to 12,826,170.63, 17,700,401.85 and 7,319,435.85

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Solution

The fourth proportional to 12,826,170.63, 17,700,401.85 and 7,319,435.85 is: 10,100,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,170.63 : 17,700,401.85 = 7,319,435.85 : x
  2. Step 2: Convert to fraction form
    12,826,170.63/17,700,401.85 = 7,319,435.85/x
  3. Step 3: Cross multiply
    12,826,170.63x = 17,700,401.85 × 7,319,435.85
  4. Step 4: Simplify right side
    12,826,170.63x = 129,556,955,860,296.33
  5. Step 5: Solve for x
    x = 129,556,955,860,296.33/12,826,170.63
  6. Step 6: Final answer
    x = 10,100,984.90

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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.