Finding the Fourth Proportional to 13,727,969, 18,953,471.68 and 8,506,518.04
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Solution
The fourth proportional to 13,727,969, 18,953,471.68 and 8,506,518.04 is: 11,744,493.94
Step by Step Solution
- Step 1: Write the proportion equation
13,727,969 : 18,953,471.68 = 8,506,518.04 : x - Step 2: Convert to fraction form
13,727,969/18,953,471.68 = 8,506,518.04/x - Step 3: Cross multiply
13,727,969x = 18,953,471.68 × 8,506,518.04 - Step 4: Simplify right side
13,727,969x = 161,228,048,766,549.09 - Step 5: Solve for x
x = 161,228,048,766,549.09/13,727,969 - Step 6: Final answer
x = 11,744,493.94
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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.