Finding the Fourth Proportional to 7,473,118.58, 11,209,677.87 and 7,402,259.78
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Solution
The fourth proportional to 7,473,118.58, 11,209,677.87 and 7,402,259.78 is: 11,103,389.66
Step by Step Solution
- Step 1: Write the proportion equation
7,473,118.58 : 11,209,677.87 = 7,402,259.78 : x - Step 2: Convert to fraction form
7,473,118.58/11,209,677.87 = 7,402,259.78/x - Step 3: Cross multiply
7,473,118.58x = 11,209,677.87 × 7,402,259.78 - Step 4: Simplify right side
7,473,118.58x = 82,976,947,550,797.39 - Step 5: Solve for x
x = 82,976,947,550,797.39/7,473,118.58 - Step 6: Final answer
x = 11,103,389.66
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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.