Finding the Fourth Proportional to 19,559,957.20, 29,311,942.20 and 14,402,136.40
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Solution
The fourth proportional to 19,559,957.20, 29,311,942.20 and 14,402,136.40 is: 21,582,592.71
Step by Step Solution
- Step 1: Write the proportion equation
19,559,957.20 : 29,311,942.20 = 14,402,136.40 : x - Step 2: Convert to fraction form
19,559,957.20/29,311,942.20 = 14,402,136.40/x - Step 3: Cross multiply
19,559,957.20x = 29,311,942.20 × 14,402,136.40 - Step 4: Simplify right side
19,559,957.20x = 422,154,589,713,316.06 - Step 5: Solve for x
x = 422,154,589,713,316.06/19,559,957.20 - Step 6: Final answer
x = 21,582,592.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.