Finding the Fourth Proportional to 8,344,344.80, 11,513,880.50 and 4,860,256.97
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Solution
The fourth proportional to 8,344,344.80, 11,513,880.50 and 4,860,256.97 is: 6,706,388.49
Step by Step Solution
- Step 1: Write the proportion equation
8,344,344.80 : 11,513,880.50 = 4,860,256.97 : x - Step 2: Convert to fraction form
8,344,344.80/11,513,880.50 = 4,860,256.97/x - Step 3: Cross multiply
8,344,344.80x = 11,513,880.50 × 4,860,256.97 - Step 4: Simplify right side
8,344,344.80x = 55,960,417,870,001.39 - Step 5: Solve for x
x = 55,960,417,870,001.39/8,344,344.80 - Step 6: Final answer
x = 6,706,388.49
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1.5x scale
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.