Home / 14,279,044.80-21,387,074.40-8,589,345.60

Finding the Fourth Proportional to 14,279,044.80, 21,387,074.40 and 8,589,345.60

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Solution

The fourth proportional to 14,279,044.80, 21,387,074.40 and 8,589,345.60 is: 12,865,074.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,044.80 : 21,387,074.40 = 8,589,345.60 : x
  2. Step 2: Convert to fraction form
    14,279,044.80/21,387,074.40 = 8,589,345.60/x
  3. Step 3: Cross multiply
    14,279,044.80x = 21,387,074.40 × 8,589,345.60
  4. Step 4: Simplify right side
    14,279,044.80x = 183,700,973,394,512.62
  5. Step 5: Solve for x
    x = 183,700,973,394,512.62/14,279,044.80
  6. Step 6: Final answer
    x = 12,865,074.38

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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.