Finding the Fourth Proportional to 19,859,347.80, 29,789,022.90 and 6,396,175.80
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Solution
The fourth proportional to 19,859,347.80, 29,789,022.90 and 6,396,175.80 is: 9,594,264.09
Step by Step Solution
- Step 1: Write the proportion equation
19,859,347.80 : 29,789,022.90 = 6,396,175.80 : x - Step 2: Convert to fraction form
19,859,347.80/29,789,022.90 = 6,396,175.80/x - Step 3: Cross multiply
19,859,347.80x = 29,789,022.90 × 6,396,175.80 - Step 4: Simplify right side
19,859,347.80x = 190,535,827,378,625.81 - Step 5: Solve for x
x = 190,535,827,378,625.81/19,859,347.80 - Step 6: Final answer
x = 9,594,264.09
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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.