Finding the Fourth Proportional to 11,238,145.70, 15,508,641.06 and 6,081,507.24
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Solution
The fourth proportional to 11,238,145.70, 15,508,641.06 and 6,081,507.24 is: 8,392,479.99
Step by Step Solution
- Step 1: Write the proportion equation
11,238,145.70 : 15,508,641.06 = 6,081,507.24 : x - Step 2: Convert to fraction form
11,238,145.70/15,508,641.06 = 6,081,507.24/x - Step 3: Cross multiply
11,238,145.70x = 15,508,641.06 × 6,081,507.24 - Step 4: Simplify right side
11,238,145.70x = 94,315,912,888,951.28 - Step 5: Solve for x
x = 94,315,912,888,951.28/11,238,145.70 - Step 6: Final answer
x = 8,392,479.99
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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.