Finding the Fourth Proportional to 38,948,721.84, 58,428,396.90 and 16,224,304.68
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Solution
The fourth proportional to 38,948,721.84, 58,428,396.90 and 16,224,304.68 is: 24,338,670.65
Step by Step Solution
- Step 1: Write the proportion equation
38,948,721.84 : 58,428,396.90 = 16,224,304.68 : x - Step 2: Convert to fraction form
38,948,721.84/58,428,396.90 = 16,224,304.68/x - Step 3: Cross multiply
38,948,721.84x = 58,428,396.90 × 16,224,304.68 - Step 4: Simplify right side
38,948,721.84x = 947,960,113,269,567.50 - Step 5: Solve for x
x = 947,960,113,269,567.50/38,948,721.84 - Step 6: Final answer
x = 24,338,670.65
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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.