Finding the Fourth Proportional to 11,305,541.37, 15,605,705.29 and 6,721,851.81
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Solution
The fourth proportional to 11,305,541.37, 15,605,705.29 and 6,721,851.81 is: 9,278,568.35
Step by Step Solution
- Step 1: Write the proportion equation
11,305,541.37 : 15,605,705.29 = 6,721,851.81 : x - Step 2: Convert to fraction form
11,305,541.37/15,605,705.29 = 6,721,851.81/x - Step 3: Cross multiply
11,305,541.37x = 15,605,705.29 × 6,721,851.81 - Step 4: Simplify right side
11,305,541.37x = 104,899,238,349,913.06 - Step 5: Solve for x
x = 104,899,238,349,913.06/11,305,541.37 - Step 6: Final answer
x = 9,278,568.35
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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.