Finding the Fourth Proportional to 13,003,664.19, 19,512,637.54 and 7,545,432.97
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Solution
The fourth proportional to 13,003,664.19, 19,512,637.54 and 7,545,432.97 is: 11,322,293.20
Step by Step Solution
- Step 1: Write the proportion equation
13,003,664.19 : 19,512,637.54 = 7,545,432.97 : x - Step 2: Convert to fraction form
13,003,664.19/19,512,637.54 = 7,545,432.97/x - Step 3: Cross multiply
13,003,664.19x = 19,512,637.54 × 7,545,432.97 - Step 4: Simplify right side
13,003,664.19x = 147,231,298,664,895.25 - Step 5: Solve for x
x = 147,231,298,664,895.25/13,003,664.19 - Step 6: Final answer
x = 11,322,293.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.