Finding the Fourth Proportional to 18,496,656.90, 27,744,985.35 and 17,740,829.70
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Solution
The fourth proportional to 18,496,656.90, 27,744,985.35 and 17,740,829.70 is: 26,611,244.55
Step by Step Solution
- Step 1: Write the proportion equation
18,496,656.90 : 27,744,985.35 = 17,740,829.70 : x - Step 2: Convert to fraction form
18,496,656.90/27,744,985.35 = 17,740,829.70/x - Step 3: Cross multiply
18,496,656.90x = 27,744,985.35 × 17,740,829.70 - Step 4: Simplify right side
18,496,656.90x = 492,219,060,123,344.88 - Step 5: Solve for x
x = 492,219,060,123,344.88/18,496,656.90 - Step 6: Final answer
x = 26,611,244.55
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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.