Finding the Fourth Proportional to 42,307,528.70, 63,463,366.65 and 22,152,136.70
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Solution
The fourth proportional to 42,307,528.70, 63,463,366.65 and 22,152,136.70 is: 33,229,290.78
Step by Step Solution
- Step 1: Write the proportion equation
42,307,528.70 : 63,463,366.65 = 22,152,136.70 : x - Step 2: Convert to fraction form
42,307,528.70/63,463,366.65 = 22,152,136.70/x - Step 3: Cross multiply
42,307,528.70x = 63,463,366.65 × 22,152,136.70 - Step 4: Simplify right side
42,307,528.70x = 1,405,849,173,473,021 - Step 5: Solve for x
x = 1,405,849,173,473,021/42,307,528.70 - Step 6: Final answer
x = 33,229,290.78
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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.