Finding the Fourth Proportional to 7,191,808.50, 9,924,695.73 and 4,135,957.14
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Solution
The fourth proportional to 7,191,808.50, 9,924,695.73 and 4,135,957.14 is: 5,707,620.85
Step by Step Solution
- Step 1: Write the proportion equation
7,191,808.50 : 9,924,695.73 = 4,135,957.14 : x - Step 2: Convert to fraction form
7,191,808.50/9,924,695.73 = 4,135,957.14/x - Step 3: Cross multiply
7,191,808.50x = 9,924,695.73 × 4,135,957.14 - Step 4: Simplify right side
7,191,808.50x = 41,048,116,166,821.02 - Step 5: Solve for x
x = 41,048,116,166,821.02/7,191,808.50 - Step 6: Final answer
x = 5,707,620.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.