Finding the Fourth Proportional to 18,411,597.62, 25,408,204.14 and 10,151,675.87
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Solution
The fourth proportional to 18,411,597.62, 25,408,204.14 and 10,151,675.87 is: 14,009,422.66
Step by Step Solution
- Step 1: Write the proportion equation
18,411,597.62 : 25,408,204.14 = 10,151,675.87 : x - Step 2: Convert to fraction form
18,411,597.62/25,408,204.14 = 10,151,675.87/x - Step 3: Cross multiply
18,411,597.62x = 25,408,204.14 × 10,151,675.87 - Step 4: Simplify right side
18,411,597.62x = 257,935,852,868,072.09 - Step 5: Solve for x
x = 257,935,852,868,072.09/18,411,597.62 - Step 6: Final answer
x = 14,009,422.66
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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.