Finding the Fourth Proportional to 15,631,701.48, 23,449,812.12 and 5,913,679.68
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Solution
The fourth proportional to 15,631,701.48, 23,449,812.12 and 5,913,679.68 is: 8,871,374.47
Step by Step Solution
- Step 1: Write the proportion equation
15,631,701.48 : 23,449,812.12 = 5,913,679.68 : x - Step 2: Convert to fraction form
15,631,701.48/23,449,812.12 = 5,913,679.68/x - Step 3: Cross multiply
15,631,701.48x = 23,449,812.12 × 5,913,679.68 - Step 4: Simplify right side
15,631,701.48x = 138,674,677,433,861.72 - Step 5: Solve for x
x = 138,674,677,433,861.72/15,631,701.48 - Step 6: Final answer
x = 8,871,374.47
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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.