Finding the Fourth Proportional to 7,725,782.80, 11,588,616.60 and 2,334,422.80
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Solution
The fourth proportional to 7,725,782.80, 11,588,616.60 and 2,334,422.80 is: 3,501,616.80
Step by Step Solution
- Step 1: Write the proportion equation
7,725,782.80 : 11,588,616.60 = 2,334,422.80 : x - Step 2: Convert to fraction form
7,725,782.80/11,588,616.60 = 2,334,422.80/x - Step 3: Cross multiply
7,725,782.80x = 11,588,616.60 × 2,334,422.80 - Step 4: Simplify right side
7,725,782.80x = 27,052,730,811,498.48 - Step 5: Solve for x
x = 27,052,730,811,498.48/7,725,782.80 - Step 6: Final answer
x = 3,501,616.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.