Home / 14,342,823.09-21,518,782.65-5,120,597.73

Finding the Fourth Proportional to 14,342,823.09, 21,518,782.65 and 5,120,597.73

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Solution

The fourth proportional to 14,342,823.09, 21,518,782.65 and 5,120,597.73 is: 7,682,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342,823.09 : 21,518,782.65 = 5,120,597.73 : x
  2. Step 2: Convert to fraction form
    14,342,823.09/21,518,782.65 = 5,120,597.73/x
  3. Step 3: Cross multiply
    14,342,823.09x = 21,518,782.65 × 5,120,597.73
  4. Step 4: Simplify right side
    14,342,823.09x = 110,189,029,589,953.39
  5. Step 5: Solve for x
    x = 110,189,029,589,953.39/14,342,823.09
  6. Step 6: Final answer
    x = 7,682,520.30

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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.