Finding the Fourth Proportional to 9,320,913.96, 12,862,600.94 and 5,190,944
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Solution
The fourth proportional to 9,320,913.96, 12,862,600.94 and 5,190,944 is: 7,163,357.74
Step by Step Solution
- Step 1: Write the proportion equation
9,320,913.96 : 12,862,600.94 = 5,190,944 : x - Step 2: Convert to fraction form
9,320,913.96/12,862,600.94 = 5,190,944/x - Step 3: Cross multiply
9,320,913.96x = 12,862,600.94 × 5,190,944 - Step 4: Simplify right side
9,320,913.96x = 66,769,041,173,887.36 - Step 5: Solve for x
x = 66,769,041,173,887.36/9,320,913.96 - Step 6: Final answer
x = 7,163,357.74
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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.