Finding the Fourth Proportional to 12,875,557.64, 19,310,340.20 and 4,792,340.03
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Solution
The fourth proportional to 12,875,557.64, 19,310,340.20 and 4,792,340.03 is: 7,187,394.82
Step by Step Solution
- Step 1: Write the proportion equation
12,875,557.64 : 19,310,340.20 = 4,792,340.03 : x - Step 2: Convert to fraction form
12,875,557.64/19,310,340.20 = 4,792,340.03/x - Step 3: Cross multiply
12,875,557.64x = 19,310,340.20 × 4,792,340.03 - Step 4: Simplify right side
12,875,557.64x = 92,541,716,212,864.81 - Step 5: Solve for x
x = 92,541,716,212,864.81/12,875,557.64 - Step 6: Final answer
x = 7,187,394.82
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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.