Finding the Fourth Proportional to 23,299,624.80, 32,153,631.48 and 12,987,001.80
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Solution
The fourth proportional to 23,299,624.80, 32,153,631.48 and 12,987,001.80 is: 17,922,145.68
Step by Step Solution
- Step 1: Write the proportion equation
23,299,624.80 : 32,153,631.48 = 12,987,001.80 : x - Step 2: Convert to fraction form
23,299,624.80/32,153,631.48 = 12,987,001.80/x - Step 3: Cross multiply
23,299,624.80x = 32,153,631.48 × 12,987,001.80 - Step 4: Simplify right side
23,299,624.80x = 417,579,269,907,296.69 - Step 5: Solve for x
x = 417,579,269,907,296.69/23,299,624.80 - Step 6: Final answer
x = 17,922,145.68
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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.