Finding the Fourth Proportional to 47,351,369.80, 71,027,054.70 and 21,842,201.80
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Solution
The fourth proportional to 47,351,369.80, 71,027,054.70 and 21,842,201.80 is: 32,763,302.70
Step by Step Solution
- Step 1: Write the proportion equation
47,351,369.80 : 71,027,054.70 = 21,842,201.80 : x - Step 2: Convert to fraction form
47,351,369.80/71,027,054.70 = 21,842,201.80/x - Step 3: Cross multiply
47,351,369.80x = 71,027,054.70 × 21,842,201.80 - Step 4: Simplify right side
47,351,369.80x = 1,551,387,262,017,038.50 - Step 5: Solve for x
x = 1,551,387,262,017,038.50/47,351,369.80 - Step 6: Final answer
x = 32,763,302.70
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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.