Finding the Fourth Proportional to 18,516,726.40, 25,553,493.99 and 10,569,108.28
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Solution
The fourth proportional to 18,516,726.40, 25,553,493.99 and 10,569,108.28 is: 14,585,604.34
Step by Step Solution
- Step 1: Write the proportion equation
18,516,726.40 : 25,553,493.99 = 10,569,108.28 : x - Step 2: Convert to fraction form
18,516,726.40/25,553,493.99 = 10,569,108.28/x - Step 3: Cross multiply
18,516,726.40x = 25,553,493.99 × 10,569,108.28 - Step 4: Simplify right side
18,516,726.40x = 270,077,644,912,639.19 - Step 5: Solve for x
x = 270,077,644,912,639.19/18,516,726.40 - Step 6: Final answer
x = 14,585,604.34
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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.