Finding the Fourth Proportional to 16,211,484.63, 22,368,186.05 and 9,683,836.38
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Solution
The fourth proportional to 16,211,484.63, 22,368,186.05 and 9,683,836.38 is: 13,361,506.29
Step by Step Solution
- Step 1: Write the proportion equation
16,211,484.63 : 22,368,186.05 = 9,683,836.38 : x - Step 2: Convert to fraction form
16,211,484.63/22,368,186.05 = 9,683,836.38/x - Step 3: Cross multiply
16,211,484.63x = 22,368,186.05 × 9,683,836.38 - Step 4: Simplify right side
16,211,484.63x = 216,609,853,777,179.34 - Step 5: Solve for x
x = 216,609,853,777,179.34/16,211,484.63 - Step 6: Final answer
x = 13,361,506.29
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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.