Finding the Fourth Proportional to 15,410,502.81, 21,266,440.79 and 8,884,101.15
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Solution
The fourth proportional to 15,410,502.81, 21,266,440.79 and 8,884,101.15 is: 12,260,028.98
Step by Step Solution
- Step 1: Write the proportion equation
15,410,502.81 : 21,266,440.79 = 8,884,101.15 : x - Step 2: Convert to fraction form
15,410,502.81/21,266,440.79 = 8,884,101.15/x - Step 3: Cross multiply
15,410,502.81x = 21,266,440.79 × 8,884,101.15 - Step 4: Simplify right side
15,410,502.81x = 188,933,211,078,845.91 - Step 5: Solve for x
x = 188,933,211,078,845.91/15,410,502.81 - Step 6: Final answer
x = 12,260,028.98
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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.