Home / 9,948,991.20-14,923,486.80-3,218,085.60

Finding the Fourth Proportional to 9,948,991.20, 14,923,486.80 and 3,218,085.60

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Solution

The fourth proportional to 9,948,991.20, 14,923,486.80 and 3,218,085.60 is: 4,827,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,948,991.20 : 14,923,486.80 = 3,218,085.60 : x
  2. Step 2: Convert to fraction form
    9,948,991.20/14,923,486.80 = 3,218,085.60/x
  3. Step 3: Cross multiply
    9,948,991.20x = 14,923,486.80 × 3,218,085.60
  4. Step 4: Simplify right side
    9,948,991.20x = 48,025,057,972,870.09
  5. Step 5: Solve for x
    x = 48,025,057,972,870.09/9,948,991.20
  6. Step 6: Final answer
    x = 4,827,128.40

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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.