Finding the Fourth Proportional to 10,213,138.13, 14,094,130.61 and 5,629,557.92
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Solution
The fourth proportional to 10,213,138.13, 14,094,130.61 and 5,629,557.92 is: 7,768,789.92
Step by Step Solution
- Step 1: Write the proportion equation
10,213,138.13 : 14,094,130.61 = 5,629,557.92 : x - Step 2: Convert to fraction form
10,213,138.13/14,094,130.61 = 5,629,557.92/x - Step 3: Cross multiply
10,213,138.13x = 14,094,130.61 × 5,629,557.92 - Step 4: Simplify right side
10,213,138.13x = 79,343,724,544,643.17 - Step 5: Solve for x
x = 79,343,724,544,643.17/10,213,138.13 - Step 6: Final answer
x = 7,768,789.92
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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.