Finding the Fourth Proportional to 10,119,982.92, 13,965,905.54 and 5,536,304.44
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Solution
The fourth proportional to 10,119,982.92, 13,965,905.54 and 5,536,304.44 is: 7,640,280.17
Step by Step Solution
- Step 1: Write the proportion equation
10,119,982.92 : 13,965,905.54 = 5,536,304.44 : x - Step 2: Convert to fraction form
10,119,982.92/13,965,905.54 = 5,536,304.44/x - Step 3: Cross multiply
10,119,982.92x = 13,965,905.54 × 5,536,304.44 - Step 4: Simplify right side
10,119,982.92x = 77,319,504,849,722.59 - Step 5: Solve for x
x = 77,319,504,849,722.59/10,119,982.92 - Step 6: Final answer
x = 7,640,280.17
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1.5x scale
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.