Finding the Fourth Proportional to 9,864,396.99, 13,612,318.73 and 5,453,867.63
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Solution
The fourth proportional to 9,864,396.99, 13,612,318.73 and 5,453,867.63 is: 7,526,033.74
Step by Step Solution
- Step 1: Write the proportion equation
9,864,396.99 : 13,612,318.73 = 5,453,867.63 : x - Step 2: Convert to fraction form
9,864,396.99/13,612,318.73 = 5,453,867.63/x - Step 3: Cross multiply
9,864,396.99x = 13,612,318.73 × 5,453,867.63 - Step 4: Simplify right side
9,864,396.99x = 74,239,784,490,789.70 - Step 5: Solve for x
x = 74,239,784,490,789.70/9,864,396.99 - Step 6: Final answer
x = 7,526,033.74
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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.