Finding the Fourth Proportional to 17,965,790.84, 26,938,844.72 and 8,847,837.92
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Solution
The fourth proportional to 17,965,790.84, 26,938,844.72 and 8,847,837.92 is: 13,266,910.09
Step by Step Solution
- Step 1: Write the proportion equation
17,965,790.84 : 26,938,844.72 = 8,847,837.92 : x - Step 2: Convert to fraction form
17,965,790.84/26,938,844.72 = 8,847,837.92/x - Step 3: Cross multiply
17,965,790.84x = 26,938,844.72 × 8,847,837.92 - Step 4: Simplify right side
17,965,790.84x = 238,350,531,834,607.78 - Step 5: Solve for x
x = 238,350,531,834,607.78/17,965,790.84 - Step 6: Final answer
x = 13,266,910.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.