Finding the Fourth Proportional to 10,153,395.36, 15,230,144.88 and 3,421,867.68
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Solution
The fourth proportional to 10,153,395.36, 15,230,144.88 and 3,421,867.68 is: 5,132,818.99
Step by Step Solution
- Step 1: Write the proportion equation
10,153,395.36 : 15,230,144.88 = 3,421,867.68 : x - Step 2: Convert to fraction form
10,153,395.36/15,230,144.88 = 3,421,867.68/x - Step 3: Cross multiply
10,153,395.36x = 15,230,144.88 × 3,421,867.68 - Step 4: Simplify right side
10,153,395.36x = 52,115,540,526,589.48 - Step 5: Solve for x
x = 52,115,540,526,589.48/10,153,395.36 - Step 6: Final answer
x = 5,132,818.99
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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.