Finding the Fourth Proportional to 16,860,817.96, 25,291,292.10 and 4,081,301.80
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Solution
The fourth proportional to 16,860,817.96, 25,291,292.10 and 4,081,301.80 is: 6,121,968.47
Step by Step Solution
- Step 1: Write the proportion equation
16,860,817.96 : 25,291,292.10 = 4,081,301.80 : x - Step 2: Convert to fraction form
16,860,817.96/25,291,292.10 = 4,081,301.80/x - Step 3: Cross multiply
16,860,817.96x = 25,291,292.10 × 4,081,301.80 - Step 4: Simplify right side
16,860,817.96x = 103,221,395,972,055.78 - Step 5: Solve for x
x = 103,221,395,972,055.78/16,860,817.96 - Step 6: Final answer
x = 6,121,968.47
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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.