Finding the Fourth Proportional to 20,634,110.48, 28,445,061.48 and 14,419,863.68
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Solution
The fourth proportional to 20,634,110.48, 28,445,061.48 and 14,419,863.68 is: 19,878,439.12
Step by Step Solution
- Step 1: Write the proportion equation
20,634,110.48 : 28,445,061.48 = 14,419,863.68 : x - Step 2: Convert to fraction form
20,634,110.48/28,445,061.48 = 14,419,863.68/x - Step 3: Cross multiply
20,634,110.48x = 28,445,061.48 × 14,419,863.68 - Step 4: Simplify right side
20,634,110.48x = 410,173,908,910,819.06 - Step 5: Solve for x
x = 410,173,908,910,819.06/20,634,110.48 - Step 6: Final answer
x = 19,878,439.12
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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.