Finding the Fourth Proportional to 8,811,036.24, 12,159,999.39 and 5,141,135.08
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Solution
The fourth proportional to 8,811,036.24, 12,159,999.39 and 5,141,135.08 is: 7,095,215.33
Step by Step Solution
- Step 1: Write the proportion equation
8,811,036.24 : 12,159,999.39 = 5,141,135.08 : x - Step 2: Convert to fraction form
8,811,036.24/12,159,999.39 = 5,141,135.08/x - Step 3: Cross multiply
8,811,036.24x = 12,159,999.39 × 5,141,135.08 - Step 4: Simplify right side
8,811,036.24x = 62,516,199,436,707.60 - Step 5: Solve for x
x = 62,516,199,436,707.60/8,811,036.24 - Step 6: Final answer
x = 7,095,215.33
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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.