Finding the Fourth Proportional to 7,845,541.81, 11,746,390.77 and 4,238,386.02
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Solution
The fourth proportional to 7,845,541.81, 11,746,390.77 and 4,238,386.02 is: 6,345,736.17
Step by Step Solution
- Step 1: Write the proportion equation
7,845,541.81 : 11,746,390.77 = 4,238,386.02 : x - Step 2: Convert to fraction form
7,845,541.81/11,746,390.77 = 4,238,386.02/x - Step 3: Cross multiply
7,845,541.81x = 11,746,390.77 × 4,238,386.02 - Step 4: Simplify right side
7,845,541.81x = 49,785,738,425,025.03 - Step 5: Solve for x
x = 49,785,738,425,025.03/7,845,541.81 - Step 6: Final answer
x = 6,345,736.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.