Finding the Fourth Proportional to 17,212,638.68, 23,753,963.98 and 9,477,957.80
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Solution
The fourth proportional to 17,212,638.68, 23,753,963.98 and 9,477,957.80 is: 13,079,869.53
Step by Step Solution
- Step 1: Write the proportion equation
17,212,638.68 : 23,753,963.98 = 9,477,957.80 : x - Step 2: Convert to fraction form
17,212,638.68/23,753,963.98 = 9,477,957.80/x - Step 3: Cross multiply
17,212,638.68x = 23,753,963.98 × 9,477,957.80 - Step 4: Simplify right side
17,212,638.68x = 225,139,068,185,160.06 - Step 5: Solve for x
x = 225,139,068,185,160.06/17,212,638.68 - Step 6: Final answer
x = 13,079,869.53
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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.