Finding the Fourth Proportional to 11,358,695.52, 15,674,921.28 and 6,202,054.08
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Solution
The fourth proportional to 11,358,695.52, 15,674,921.28 and 6,202,054.08 is: 8,558,791.75
Step by Step Solution
- Step 1: Write the proportion equation
11,358,695.52 : 15,674,921.28 = 6,202,054.08 : x - Step 2: Convert to fraction form
11,358,695.52/15,674,921.28 = 6,202,054.08/x - Step 3: Cross multiply
11,358,695.52x = 15,674,921.28 × 6,202,054.08 - Step 4: Simplify right side
11,358,695.52x = 97,216,709,478,302.81 - Step 5: Solve for x
x = 97,216,709,478,302.81/11,358,695.52 - Step 6: Final answer
x = 8,558,791.75
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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.