Finding the Fourth Proportional to 13,046,917.08, 18,004,251.72 and 7,246,072.32
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Solution
The fourth proportional to 13,046,917.08, 18,004,251.72 and 7,246,072.32 is: 9,999,305.52
Step by Step Solution
- Step 1: Write the proportion equation
13,046,917.08 : 18,004,251.72 = 7,246,072.32 : x - Step 2: Convert to fraction form
13,046,917.08/18,004,251.72 = 7,246,072.32/x - Step 3: Cross multiply
13,046,917.08x = 18,004,251.72 × 7,246,072.32 - Step 4: Simplify right side
13,046,917.08x = 130,460,110,030,604.39 - Step 5: Solve for x
x = 130,460,110,030,604.39/13,046,917.08 - Step 6: Final answer
x = 9,999,305.52
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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.