Finding the Fourth Proportional to 28,353,388.75, 39,127,873.31 and 16,130,245.75
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Solution
The fourth proportional to 28,353,388.75, 39,127,873.31 and 16,130,245.75 is: 22,259,851.11
Step by Step Solution
- Step 1: Write the proportion equation
28,353,388.75 : 39,127,873.31 = 16,130,245.75 : x - Step 2: Convert to fraction form
28,353,388.75/39,127,873.31 = 16,130,245.75/x - Step 3: Cross multiply
28,353,388.75x = 39,127,873.31 × 16,130,245.75 - Step 4: Simplify right side
28,353,388.75x = 631,142,212,084,514.75 - Step 5: Solve for x
x = 631,142,212,084,514.75/28,353,388.75 - Step 6: Final answer
x = 22,259,851.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.