Finding the Fourth Proportional to 7,661,305.08, 10,573,077.07 and 4,223,539.80
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Solution
The fourth proportional to 7,661,305.08, 10,573,077.07 and 4,223,539.80 is: 5,828,747.37
Step by Step Solution
- Step 1: Write the proportion equation
7,661,305.08 : 10,573,077.07 = 4,223,539.80 : x - Step 2: Convert to fraction form
7,661,305.08/10,573,077.07 = 4,223,539.80/x - Step 3: Cross multiply
7,661,305.08x = 10,573,077.07 × 4,223,539.80 - Step 4: Simplify right side
7,661,305.08x = 44,655,811,813,612.38 - Step 5: Solve for x
x = 44,655,811,813,612.38/7,661,305.08 - Step 6: Final answer
x = 5,828,747.37
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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.