Finding the Fourth Proportional to 14,952,837.74, 20,634,934.61 and 8,077,319.87
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Solution
The fourth proportional to 14,952,837.74, 20,634,934.61 and 8,077,319.87 is: 11,146,711.43
Step by Step Solution
- Step 1: Write the proportion equation
14,952,837.74 : 20,634,934.61 = 8,077,319.87 : x - Step 2: Convert to fraction form
14,952,837.74/20,634,934.61 = 8,077,319.87/x - Step 3: Cross multiply
14,952,837.74x = 20,634,934.61 × 8,077,319.87 - Step 4: Simplify right side
14,952,837.74x = 166,674,967,301,117.09 - Step 5: Solve for x
x = 166,674,967,301,117.09/14,952,837.74 - Step 6: Final answer
x = 11,146,711.43
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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.