Finding the Fourth Proportional to 13,447,114.68, 18,558,572.94 and 7,487,121.72
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Solution
The fourth proportional to 13,447,114.68, 18,558,572.94 and 7,487,121.72 is: 10,333,093.59
Step by Step Solution
- Step 1: Write the proportion equation
13,447,114.68 : 18,558,572.94 = 7,487,121.72 : x - Step 2: Convert to fraction form
13,447,114.68/18,558,572.94 = 7,487,121.72/x - Step 3: Cross multiply
13,447,114.68x = 18,558,572.94 × 7,487,121.72 - Step 4: Simplify right side
13,447,114.68x = 138,950,294,551,278.27 - Step 5: Solve for x
x = 138,950,294,551,278.27/13,447,114.68 - Step 6: Final answer
x = 10,333,093.59
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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.