Home / 14,279,319.80-21,387,486.90-8,589,620.60

Finding the Fourth Proportional to 14,279,319.80, 21,387,486.90 and 8,589,620.60

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Solution

The fourth proportional to 14,279,319.80, 21,387,486.90 and 8,589,620.60 is: 12,865,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,319.80 : 21,387,486.90 = 8,589,620.60 : x
  2. Step 2: Convert to fraction form
    14,279,319.80/21,387,486.90 = 8,589,620.60/x
  3. Step 3: Cross multiply
    14,279,319.80x = 21,387,486.90 × 8,589,620.60
  4. Step 4: Simplify right side
    14,279,319.80x = 183,710,398,058,470.12
  5. Step 5: Solve for x
    x = 183,710,398,058,470.12/14,279,319.80
  6. Step 6: Final answer
    x = 12,865,486.64

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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.