Finding the Fourth Proportional to 47,725,563.48, 71,575,279.84 and 13,173,705.44
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Solution
The fourth proportional to 47,725,563.48, 71,575,279.84 and 13,173,705.44 is: 19,756,951.72
Step by Step Solution
- Step 1: Write the proportion equation
47,725,563.48 : 71,575,279.84 = 13,173,705.44 : x - Step 2: Convert to fraction form
47,725,563.48/71,575,279.84 = 13,173,705.44/x - Step 3: Cross multiply
47,725,563.48x = 71,575,279.84 × 13,173,705.44 - Step 4: Simplify right side
47,725,563.48x = 942,911,653,397,730.38 - Step 5: Solve for x
x = 942,911,653,397,730.38/47,725,563.48 - Step 6: Final answer
x = 19,756,951.72
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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.