Home / 12,923,163.90-19,381,011.21-4,403,311.74

Finding the Fourth Proportional to 12,923,163.90, 19,381,011.21 and 4,403,311.74

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Solution

The fourth proportional to 12,923,163.90, 19,381,011.21 and 4,403,311.74 is: 6,603,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,163.90 : 19,381,011.21 = 4,403,311.74 : x
  2. Step 2: Convert to fraction form
    12,923,163.90/19,381,011.21 = 4,403,311.74/x
  3. Step 3: Cross multiply
    12,923,163.90x = 19,381,011.21 × 4,403,311.74
  4. Step 4: Simplify right side
    12,923,163.90x = 85,340,634,194,064.61
  5. Step 5: Solve for x
    x = 85,340,634,194,064.61/12,923,163.90
  6. Step 6: Final answer
    x = 6,603,695.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.