Finding the Fourth Proportional to 11,344,924.80, 15,655,420.80 and 6,188,244.48
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Solution
The fourth proportional to 11,344,924.80, 15,655,420.80 and 6,188,244.48 is: 8,539,463.51
Step by Step Solution
- Step 1: Write the proportion equation
11,344,924.80 : 15,655,420.80 = 6,188,244.48 : x - Step 2: Convert to fraction form
11,344,924.80/15,655,420.80 = 6,188,244.48/x - Step 3: Cross multiply
11,344,924.80x = 15,655,420.80 × 6,188,244.48 - Step 4: Simplify right side
11,344,924.80x = 96,879,571,347,677.20 - Step 5: Solve for x
x = 96,879,571,347,677.20/11,344,924.80 - Step 6: Final answer
x = 8,539,463.51
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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.