Finding the Fourth Proportional to 7,280,331.23, 10,046,778.09 and 4,017,283.49
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Solution
The fourth proportional to 7,280,331.23, 10,046,778.09 and 4,017,283.49 is: 5,543,807.62
Step by Step Solution
- Step 1: Write the proportion equation
7,280,331.23 : 10,046,778.09 = 4,017,283.49 : x - Step 2: Convert to fraction form
7,280,331.23/10,046,778.09 = 4,017,283.49/x - Step 3: Cross multiply
7,280,331.23x = 10,046,778.09 × 4,017,283.49 - Step 4: Simplify right side
7,280,331.23x = 40,360,755,748,650.73 - Step 5: Solve for x
x = 40,360,755,748,650.73/7,280,331.23 - Step 6: Final answer
x = 5,543,807.62
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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.