Finding the Fourth Proportional to 7,643,901.35, 11,465,852.00 and 2,786,572.13
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Solution
The fourth proportional to 7,643,901.35, 11,465,852.00 and 2,786,572.13 is: 4,179,858.18
Step by Step Solution
- Step 1: Write the proportion equation
7,643,901.35 : 11,465,852.00 = 2,786,572.13 : x - Step 2: Convert to fraction form
7,643,901.35/11,465,852.00 = 2,786,572.13/x - Step 3: Cross multiply
7,643,901.35x = 11,465,852.00 × 2,786,572.13 - Step 4: Simplify right side
7,643,901.35x = 31,950,423,558,642.64 - Step 5: Solve for x
x = 31,950,423,558,642.64/7,643,901.35 - Step 6: Final answer
x = 4,179,858.18
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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.