Finding the Fourth Proportional to 13,245,666.16, 18,280,534.92 and 7,365,886.96
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Solution
The fourth proportional to 13,245,666.16, 18,280,534.92 and 7,365,886.96 is: 10,165,766.84
Step by Step Solution
- Step 1: Write the proportion equation
13,245,666.16 : 18,280,534.92 = 7,365,886.96 : x - Step 2: Convert to fraction form
13,245,666.16/18,280,534.92 = 7,365,886.96/x - Step 3: Cross multiply
13,245,666.16x = 18,280,534.92 × 7,365,886.96 - Step 4: Simplify right side
13,245,666.16x = 134,652,353,789,052.66 - Step 5: Solve for x
x = 134,652,353,789,052.66/13,245,666.16 - Step 6: Final answer
x = 10,165,766.84
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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.