Finding the Fourth Proportional to 36,387,702.32, 50,214,648.36 and 19,867,775.68
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Solution
The fourth proportional to 36,387,702.32, 50,214,648.36 and 19,867,775.68 is: 27,417,322.50
Step by Step Solution
- Step 1: Write the proportion equation
36,387,702.32 : 50,214,648.36 = 19,867,775.68 : x - Step 2: Convert to fraction form
36,387,702.32/50,214,648.36 = 19,867,775.68/x - Step 3: Cross multiply
36,387,702.32x = 50,214,648.36 × 19,867,775.68 - Step 4: Simplify right side
36,387,702.32x = 997,653,369,436,207.88 - Step 5: Solve for x
x = 997,653,369,436,207.88/36,387,702.32 - Step 6: Final answer
x = 27,417,322.50
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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.