Finding the Fourth Proportional to 13,149,350.50, 18,146,491.12 and 7,348,145.88
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Solution
The fourth proportional to 13,149,350.50, 18,146,491.12 and 7,348,145.88 is: 10,140,657.82
Step by Step Solution
- Step 1: Write the proportion equation
13,149,350.50 : 18,146,491.12 = 7,348,145.88 : x - Step 2: Convert to fraction form
13,149,350.50/18,146,491.12 = 7,348,145.88/x - Step 3: Cross multiply
13,149,350.50x = 18,146,491.12 × 7,348,145.88 - Step 4: Simplify right side
13,149,350.50x = 133,343,063,959,884.59 - Step 5: Solve for x
x = 133,343,063,959,884.59/13,149,350.50 - Step 6: Final answer
x = 10,140,657.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.