Home / 8,221,651.80-12,315,943.62-4,622,024.76

Finding the Fourth Proportional to 8,221,651.80, 12,315,943.62 and 4,622,024.76

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Solution

The fourth proportional to 8,221,651.80, 12,315,943.62 and 4,622,024.76 is: 6,923,742.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,651.80 : 12,315,943.62 = 4,622,024.76 : x
  2. Step 2: Convert to fraction form
    8,221,651.80/12,315,943.62 = 4,622,024.76/x
  3. Step 3: Cross multiply
    8,221,651.80x = 12,315,943.62 × 4,622,024.76
  4. Step 4: Simplify right side
    8,221,651.80x = 56,924,596,354,404.02
  5. Step 5: Solve for x
    x = 56,924,596,354,404.02/8,221,651.80
  6. Step 6: Final answer
    x = 6,923,742.06

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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.