Finding the Fourth Proportional to 19,808,425.51, 27,333,101.85 and 11,546,420.65
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Solution
The fourth proportional to 19,808,425.51, 27,333,101.85 and 11,546,420.65 is: 15,932,588.46
Step by Step Solution
- Step 1: Write the proportion equation
19,808,425.51 : 27,333,101.85 = 11,546,420.65 : x - Step 2: Convert to fraction form
19,808,425.51/27,333,101.85 = 11,546,420.65/x - Step 3: Cross multiply
19,808,425.51x = 27,333,101.85 × 11,546,420.65 - Step 4: Simplify right side
19,808,425.51x = 315,599,491,629,393.25 - Step 5: Solve for x
x = 315,599,491,629,393.25/19,808,425.51 - Step 6: Final answer
x = 15,932,588.46
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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.