Finding the Fourth Proportional to 39,679,668.84, 54,763,919.36 and 24,218,737.96
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Solution
The fourth proportional to 39,679,668.84, 54,763,919.36 and 24,218,737.96 is: 33,425,506.09
Step by Step Solution
- Step 1: Write the proportion equation
39,679,668.84 : 54,763,919.36 = 24,218,737.96 : x - Step 2: Convert to fraction form
39,679,668.84/54,763,919.36 = 24,218,737.96/x - Step 3: Cross multiply
39,679,668.84x = 54,763,919.36 × 24,218,737.96 - Step 4: Simplify right side
39,679,668.84x = 1,326,313,012,642,411 - Step 5: Solve for x
x = 1,326,313,012,642,411/39,679,668.84 - Step 6: Final answer
x = 33,425,506.09
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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.