Finding the Fourth Proportional to 12,199,886.64, 18,299,961.12 and 3,680,296.92
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Solution
The fourth proportional to 12,199,886.64, 18,299,961.12 and 3,680,296.92 is: 5,520,484.95
Step by Step Solution
- Step 1: Write the proportion equation
12,199,886.64 : 18,299,961.12 = 3,680,296.92 : x - Step 2: Convert to fraction form
12,199,886.64/18,299,961.12 = 3,680,296.92/x - Step 3: Cross multiply
12,199,886.64x = 18,299,961.12 × 3,680,296.92 - Step 4: Simplify right side
12,199,886.64x = 67,349,290,546,055.75 - Step 5: Solve for x
x = 67,349,290,546,055.75/12,199,886.64 - Step 6: Final answer
x = 5,520,484.95
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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.