Finding the Fourth Proportional to 38,948,747.84, 58,428,435.92 and 16,224,330.68
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Solution
The fourth proportional to 38,948,747.84, 58,428,435.92 and 16,224,330.68 is: 24,338,709.66
Step by Step Solution
- Step 1: Write the proportion equation
38,948,747.84 : 58,428,435.92 = 16,224,330.68 : x - Step 2: Convert to fraction form
38,948,747.84/58,428,435.92 = 16,224,330.68/x - Step 3: Cross multiply
38,948,747.84x = 58,428,435.92 × 16,224,330.68 - Step 4: Simplify right side
38,948,747.84x = 947,962,265,481,270 - Step 5: Solve for x
x = 947,962,265,481,270/38,948,747.84 - Step 6: Final answer
x = 24,338,709.66
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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.