Finding the Fourth Proportional to 12,828,546, 17,703,396.63 and 7,027,533.99
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Solution
The fourth proportional to 12,828,546, 17,703,396.63 and 7,027,533.99 is: 9,697,998.63
Step by Step Solution
- Step 1: Write the proportion equation
12,828,546 : 17,703,396.63 = 7,027,533.99 : x - Step 2: Convert to fraction form
12,828,546/17,703,396.63 = 7,027,533.99/x - Step 3: Cross multiply
12,828,546x = 17,703,396.63 × 7,027,533.99 - Step 4: Simplify right side
12,828,546x = 124,411,221,555,776.45 - Step 5: Solve for x
x = 124,411,221,555,776.45/12,828,546 - Step 6: Final answer
x = 9,697,998.63
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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.