Finding the Fourth Proportional to 8,634,324.96, 11,919,400.24 and 5,011,955.68
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Solution
The fourth proportional to 8,634,324.96, 11,919,400.24 and 5,011,955.68 is: 6,918,839.17
Step by Step Solution
- Step 1: Write the proportion equation
8,634,324.96 : 11,919,400.24 = 5,011,955.68 : x - Step 2: Convert to fraction form
8,634,324.96/11,919,400.24 = 5,011,955.68/x - Step 3: Cross multiply
8,634,324.96x = 11,919,400.24 × 5,011,955.68 - Step 4: Simplify right side
8,634,324.96x = 59,739,505,735,061.36 - Step 5: Solve for x
x = 59,739,505,735,061.36/8,634,324.96 - Step 6: Final answer
x = 6,918,839.17
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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.