Finding the Fourth Proportional to 12,436,633.67, 18,657,497.14 and 5,248,168.79
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Solution
The fourth proportional to 12,436,633.67, 18,657,497.14 and 5,248,168.79 is: 7,873,327.84
Step by Step Solution
- Step 1: Write the proportion equation
12,436,633.67 : 18,657,497.14 = 5,248,168.79 : x - Step 2: Convert to fraction form
12,436,633.67/18,657,497.14 = 5,248,168.79/x - Step 3: Cross multiply
12,436,633.67x = 18,657,497.14 × 5,248,168.79 - Step 4: Simplify right side
12,436,633.67x = 97,917,694,083,254.36 - Step 5: Solve for x
x = 97,917,694,083,254.36/12,436,633.67 - Step 6: Final answer
x = 7,873,327.84
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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.