Finding the Fourth Proportional to 12,945,301.44, 19,420,051.68 and 4,858,909.44
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Solution
The fourth proportional to 12,945,301.44, 19,420,051.68 and 4,858,909.44 is: 7,289,152.20
Step by Step Solution
- Step 1: Write the proportion equation
12,945,301.44 : 19,420,051.68 = 4,858,909.44 : x - Step 2: Convert to fraction form
12,945,301.44/19,420,051.68 = 4,858,909.44/x - Step 3: Cross multiply
12,945,301.44x = 19,420,051.68 × 4,858,909.44 - Step 4: Simplify right side
12,945,301.44x = 94,360,272,433,239.86 - Step 5: Solve for x
x = 94,360,272,433,239.86/12,945,301.44 - Step 6: Final answer
x = 7,289,152.20
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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.