Finding the Fourth Proportional to 52,236,587.62, 78,355,063.68 and 15,845,291.56
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Solution
The fourth proportional to 52,236,587.62, 78,355,063.68 and 15,845,291.56 is: 23,767,992.62
Step by Step Solution
- Step 1: Write the proportion equation
52,236,587.62 : 78,355,063.68 = 15,845,291.56 : x - Step 2: Convert to fraction form
52,236,587.62/78,355,063.68 = 15,845,291.56/x - Step 3: Cross multiply
52,236,587.62x = 78,355,063.68 × 15,845,291.56 - Step 4: Simplify right side
52,236,587.62x = 1,241,558,829,211,966.75 - Step 5: Solve for x
x = 1,241,558,829,211,966.75/52,236,587.62 - Step 6: Final answer
x = 23,767,992.62
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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.