Finding the Fourth Proportional to 11,791,381.68, 16,271,918.28 and 6,634,740.24
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Solution
The fourth proportional to 11,791,381.68, 16,271,918.28 and 6,634,740.24 is: 9,155,835.50
Step by Step Solution
- Step 1: Write the proportion equation
11,791,381.68 : 16,271,918.28 = 6,634,740.24 : x - Step 2: Convert to fraction form
11,791,381.68/16,271,918.28 = 6,634,740.24/x - Step 3: Cross multiply
11,791,381.68x = 16,271,918.28 × 6,634,740.24 - Step 4: Simplify right side
11,791,381.68x = 107,959,950,994,307.59 - Step 5: Solve for x
x = 107,959,950,994,307.59/11,791,381.68 - Step 6: Final answer
x = 9,155,835.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.