Finding the Fourth Proportional to 31,592,153.97, 47,390,003.64 and 8,871,279.75
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Solution
The fourth proportional to 31,592,153.97, 47,390,003.64 and 8,871,279.75 is: 13,307,417.41
Step by Step Solution
- Step 1: Write the proportion equation
31,592,153.97 : 47,390,003.64 = 8,871,279.75 : x - Step 2: Convert to fraction form
31,592,153.97/47,390,003.64 = 8,871,279.75/x - Step 3: Cross multiply
31,592,153.97x = 47,390,003.64 × 8,871,279.75 - Step 4: Simplify right side
31,592,153.97x = 420,409,979,643,958.31 - Step 5: Solve for x
x = 420,409,979,643,958.31/31,592,153.97 - Step 6: Final answer
x = 13,307,417.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.