Finding the Fourth Proportional to 15,294,204.64, 21,106,559.27 and 8,324,545.30
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Solution
The fourth proportional to 15,294,204.64, 21,106,559.27 and 8,324,545.30 is: 11,488,175.61
Step by Step Solution
- Step 1: Write the proportion equation
15,294,204.64 : 21,106,559.27 = 8,324,545.30 : x - Step 2: Convert to fraction form
15,294,204.64/21,106,559.27 = 8,324,545.30/x - Step 3: Cross multiply
15,294,204.64x = 21,106,559.27 × 8,324,545.30 - Step 4: Simplify right side
15,294,204.64x = 175,702,508,738,294.91 - Step 5: Solve for x
x = 175,702,508,738,294.91/15,294,204.64 - Step 6: Final answer
x = 11,488,175.61
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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.