Finding the Fourth Proportional to 9,685,649.74, 14,526,491.70 and 3,619,261.66
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Solution
The fourth proportional to 9,685,649.74, 14,526,491.70 and 3,619,261.66 is: 5,428,151.53
Step by Step Solution
- Step 1: Write the proportion equation
9,685,649.74 : 14,526,491.70 = 3,619,261.66 : x - Step 2: Convert to fraction form
9,685,649.74/14,526,491.70 = 3,619,261.66/x - Step 3: Cross multiply
9,685,649.74x = 14,526,491.70 × 3,619,261.66 - Step 4: Simplify right side
9,685,649.74x = 52,575,174,464,118.22 - Step 5: Solve for x
x = 52,575,174,464,118.22/9,685,649.74 - Step 6: Final answer
x = 5,428,151.53
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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.