Finding the Fourth Proportional to 18,579,604.22, 27,872,995.36 and 7,064,176.10
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Solution
The fourth proportional to 18,579,604.22, 27,872,995.36 and 7,064,176.10 is: 10,597,628.74
Step by Step Solution
- Step 1: Write the proportion equation
18,579,604.22 : 27,872,995.36 = 7,064,176.10 : x - Step 2: Convert to fraction form
18,579,604.22/27,872,995.36 = 7,064,176.10/x - Step 3: Cross multiply
18,579,604.22x = 27,872,995.36 × 7,064,176.10 - Step 4: Simplify right side
18,579,604.22x = 196,899,747,657,522.88 - Step 5: Solve for x
x = 196,899,747,657,522.88/18,579,604.22 - Step 6: Final answer
x = 10,597,628.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.