Finding the Fourth Proportional to 16,181,706.30, 22,331,433.54 and 9,306,193.82
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Solution
The fourth proportional to 16,181,706.30, 22,331,433.54 and 9,306,193.82 is: 12,842,937.88
Step by Step Solution
- Step 1: Write the proportion equation
16,181,706.30 : 22,331,433.54 = 9,306,193.82 : x - Step 2: Convert to fraction form
16,181,706.30/22,331,433.54 = 9,306,193.82/x - Step 3: Cross multiply
16,181,706.30x = 22,331,433.54 × 9,306,193.82 - Step 4: Simplify right side
16,181,706.30x = 207,820,648,801,688.72 - Step 5: Solve for x
x = 207,820,648,801,688.72/16,181,706.30 - Step 6: Final answer
x = 12,842,937.88
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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.