Finding the Fourth Proportional to 11,238,352.53, 15,508,965.59 and 6,081,712.71
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Solution
The fourth proportional to 11,238,352.53, 15,508,965.59 and 6,081,712.71 is: 8,392,784.70
Step by Step Solution
- Step 1: Write the proportion equation
11,238,352.53 : 15,508,965.59 = 6,081,712.71 : x - Step 2: Convert to fraction form
11,238,352.53/15,508,965.59 = 6,081,712.71/x - Step 3: Cross multiply
11,238,352.53x = 15,508,965.59 × 6,081,712.71 - Step 4: Simplify right side
11,238,352.53x = 94,321,073,117,247.09 - Step 5: Solve for x
x = 94,321,073,117,247.09/11,238,352.53 - Step 6: Final answer
x = 8,392,784.70
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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.