Finding the Fourth Proportional to 25,146,504.21, 34,702,488.45 and 15,223,257.84
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Solution
The fourth proportional to 25,146,504.21, 34,702,488.45 and 15,223,257.84 is: 21,008,285.09
Step by Step Solution
- Step 1: Write the proportion equation
25,146,504.21 : 34,702,488.45 = 15,223,257.84 : x - Step 2: Convert to fraction form
25,146,504.21/34,702,488.45 = 15,223,257.84/x - Step 3: Cross multiply
25,146,504.21x = 34,702,488.45 × 15,223,257.84 - Step 4: Simplify right side
25,146,504.21x = 528,284,929,363,972 - Step 5: Solve for x
x = 528,284,929,363,972/25,146,504.21 - Step 6: Final answer
x = 21,008,285.09
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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.