Finding the Fourth Proportional to 15,839,795.63, 21,858,917.97 and 8,596,451.63
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Solution
The fourth proportional to 15,839,795.63, 21,858,917.97 and 8,596,451.63 is: 11,863,103.25
Step by Step Solution
- Step 1: Write the proportion equation
15,839,795.63 : 21,858,917.97 = 8,596,451.63 : x - Step 2: Convert to fraction form
15,839,795.63/21,858,917.97 = 8,596,451.63/x - Step 3: Cross multiply
15,839,795.63x = 21,858,917.97 × 8,596,451.63 - Step 4: Simplify right side
15,839,795.63x = 187,909,130,903,948.19 - Step 5: Solve for x
x = 187,909,130,903,948.19/15,839,795.63 - Step 6: Final answer
x = 11,863,103.25
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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.