Finding the Fourth Proportional to 13,881,252.45, 19,158,460.09 and 8,083,452.68
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Solution
The fourth proportional to 13,881,252.45, 19,158,460.09 and 8,083,452.68 is: 11,156,522.51
Step by Step Solution
- Step 1: Write the proportion equation
13,881,252.45 : 19,158,460.09 = 8,083,452.68 : x - Step 2: Convert to fraction form
13,881,252.45/19,158,460.09 = 8,083,452.68/x - Step 3: Cross multiply
13,881,252.45x = 19,158,460.09 × 8,083,452.68 - Step 4: Simplify right side
13,881,252.45x = 154,866,505,443,182.59 - Step 5: Solve for x
x = 154,866,505,443,182.59/13,881,252.45 - Step 6: Final answer
x = 11,156,522.51
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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.