Home / 14,342,824.09-21,518,784.15-5,120,598.73

Finding the Fourth Proportional to 14,342,824.09, 21,518,784.15 and 5,120,598.73

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Solution

The fourth proportional to 14,342,824.09, 21,518,784.15 and 5,120,598.73 is: 7,682,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342,824.09 : 21,518,784.15 = 5,120,598.73 : x
  2. Step 2: Convert to fraction form
    14,342,824.09/21,518,784.15 = 5,120,598.73/x
  3. Step 3: Cross multiply
    14,342,824.09x = 21,518,784.15 × 5,120,598.73
  4. Step 4: Simplify right side
    14,342,824.09x = 110,189,058,789,634.12
  5. Step 5: Solve for x
    x = 110,189,058,789,634.12/14,342,824.09
  6. Step 6: Final answer
    x = 7,682,521.80

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1.5x scale

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.