Finding the Fourth Proportional to 10,561,251.98, 15,845,289.70 and 4,885,199.66
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Solution
The fourth proportional to 10,561,251.98, 15,845,289.70 and 4,885,199.66 is: 7,329,377.62
Step by Step Solution
- Step 1: Write the proportion equation
10,561,251.98 : 15,845,289.70 = 4,885,199.66 : x - Step 2: Convert to fraction form
10,561,251.98/15,845,289.70 = 4,885,199.66/x - Step 3: Cross multiply
10,561,251.98x = 15,845,289.70 × 4,885,199.66 - Step 4: Simplify right side
10,561,251.98x = 77,407,403,855,041.50 - Step 5: Solve for x
x = 77,407,403,855,041.50/10,561,251.98 - Step 6: Final answer
x = 7,329,377.62
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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.