Finding the Fourth Proportional to 22,230,946.95, 30,678,706.79 and 12,056,482.95
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Solution
The fourth proportional to 22,230,946.95, 30,678,706.79 and 12,056,482.95 is: 16,637,946.47
Step by Step Solution
- Step 1: Write the proportion equation
22,230,946.95 : 30,678,706.79 = 12,056,482.95 : x - Step 2: Convert to fraction form
22,230,946.95/30,678,706.79 = 12,056,482.95/x - Step 3: Cross multiply
22,230,946.95x = 30,678,706.79 × 12,056,482.95 - Step 4: Simplify right side
22,230,946.95x = 369,877,305,341,684.19 - Step 5: Solve for x
x = 369,877,305,341,684.19/22,230,946.95 - Step 6: Final answer
x = 16,637,946.47
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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.