Finding the Fourth Proportional to 39,407,329.17, 59,116,634.94 and 12,115,913.19
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Solution
The fourth proportional to 39,407,329.17, 59,116,634.94 and 12,115,913.19 is: 18,175,604.19
Step by Step Solution
- Step 1: Write the proportion equation
39,407,329.17 : 59,116,634.94 = 12,115,913.19 : x - Step 2: Convert to fraction form
39,407,329.17/59,116,634.94 = 12,115,913.19/x - Step 3: Cross multiply
39,407,329.17x = 59,116,634.94 × 12,115,913.19 - Step 4: Simplify right side
39,407,329.17x = 716,252,017,252,147.25 - Step 5: Solve for x
x = 716,252,017,252,147.25/39,407,329.17 - Step 6: Final answer
x = 18,175,604.19
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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.