Finding the Fourth Proportional to 39,976,660.86, 59,988,880.88 and 36,724,241.94
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Solution
The fourth proportional to 39,976,660.86, 59,988,880.88 and 36,724,241.94 is: 55,108,308.89
Step by Step Solution
- Step 1: Write the proportion equation
39,976,660.86 : 59,988,880.88 = 36,724,241.94 : x - Step 2: Convert to fraction form
39,976,660.86/59,988,880.88 = 36,724,241.94/x - Step 3: Cross multiply
39,976,660.86x = 59,988,880.88 × 36,724,241.94 - Step 4: Simplify right side
39,976,660.86x = 2,203,046,175,146,960 - Step 5: Solve for x
x = 2,203,046,175,146,960/39,976,660.86 - Step 6: Final answer
x = 55,108,308.89
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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.