Finding the Fourth Proportional to 14,378,579.12, 21,578,580.36 and 10,550,294.12
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Solution
The fourth proportional to 14,378,579.12, 21,578,580.36 and 10,550,294.12 is: 15,833,300.88
Step by Step Solution
- Step 1: Write the proportion equation
14,378,579.12 : 21,578,580.36 = 10,550,294.12 : x - Step 2: Convert to fraction form
14,378,579.12/21,578,580.36 = 10,550,294.12/x - Step 3: Cross multiply
14,378,579.12x = 21,578,580.36 × 10,550,294.12 - Step 4: Simplify right side
14,378,579.12x = 227,660,369,490,055.47 - Step 5: Solve for x
x = 227,660,369,490,055.47/14,378,579.12 - Step 6: Final answer
x = 15,833,300.88
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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.