Finding the Fourth Proportional to 38,562,292.98, 57,805,120.80 and 19,334,363.94
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Solution
The fourth proportional to 38,562,292.98, 57,805,120.80 and 19,334,363.94 is: 28,982,333.69
Step by Step Solution
- Step 1: Write the proportion equation
38,562,292.98 : 57,805,120.80 = 19,334,363.94 : x - Step 2: Convert to fraction form
38,562,292.98/57,805,120.80 = 19,334,363.94/x - Step 3: Cross multiply
38,562,292.98x = 57,805,120.80 × 19,334,363.94 - Step 4: Simplify right side
38,562,292.98x = 1,117,625,243,142,864 - Step 5: Solve for x
x = 1,117,625,243,142,864/38,562,292.98 - Step 6: Final answer
x = 28,982,333.69
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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.