Finding the Fourth Proportional to 15,141,630.93, 20,895,344.38 and 8,266,112.99
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Solution
The fourth proportional to 15,141,630.93, 20,895,344.38 and 8,266,112.99 is: 11,407,177.89
Step by Step Solution
- Step 1: Write the proportion equation
15,141,630.93 : 20,895,344.38 = 8,266,112.99 : x - Step 2: Convert to fraction form
15,141,630.93/20,895,344.38 = 8,266,112.99/x - Step 3: Cross multiply
15,141,630.93x = 20,895,344.38 × 8,266,112.99 - Step 4: Simplify right side
15,141,630.93x = 172,723,277,610,041.50 - Step 5: Solve for x
x = 172,723,277,610,041.50/15,141,630.93 - Step 6: Final answer
x = 11,407,177.89
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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.