Finding the Fourth Proportional to 22,230,968.91, 30,678,737.09 and 12,056,504.91
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Solution
The fourth proportional to 22,230,968.91, 30,678,737.09 and 12,056,504.91 is: 16,637,976.77
Step by Step Solution
- Step 1: Write the proportion equation
22,230,968.91 : 30,678,737.09 = 12,056,504.91 : x - Step 2: Convert to fraction form
22,230,968.91/30,678,737.09 = 12,056,504.91/x - Step 3: Cross multiply
22,230,968.91x = 30,678,737.09 × 12,056,504.91 - Step 4: Simplify right side
22,230,968.91x = 369,878,344,250,674.12 - Step 5: Solve for x
x = 369,878,344,250,674.12/22,230,968.91 - Step 6: Final answer
x = 16,637,976.77
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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.