Finding the Fourth Proportional to 40,216,787.18, 55,497,532.01 and 22,812,758.84
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Solution
The fourth proportional to 40,216,787.18, 55,497,532.01 and 22,812,758.84 is: 31,480,680.15
Step by Step Solution
- Step 1: Write the proportion equation
40,216,787.18 : 55,497,532.01 = 22,812,758.84 : x - Step 2: Convert to fraction form
40,216,787.18/55,497,532.01 = 22,812,758.84/x - Step 3: Cross multiply
40,216,787.18x = 55,497,532.01 × 22,812,758.84 - Step 4: Simplify right side
40,216,787.18x = 1,266,051,813,567,759 - Step 5: Solve for x
x = 1,266,051,813,567,759/40,216,787.18 - Step 6: Final answer
x = 31,480,680.15
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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.