Finding the Fourth Proportional to 16,657,159.74, 22,986,448.68 and 9,215,096.70
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Solution
The fourth proportional to 16,657,159.74, 22,986,448.68 and 9,215,096.70 is: 12,716,594.59
Step by Step Solution
- Step 1: Write the proportion equation
16,657,159.74 : 22,986,448.68 = 9,215,096.70 : x - Step 2: Convert to fraction form
16,657,159.74/22,986,448.68 = 9,215,096.70/x - Step 3: Cross multiply
16,657,159.74x = 22,986,448.68 × 9,215,096.70 - Step 4: Simplify right side
16,657,159.74x = 211,822,347,375,787.34 - Step 5: Solve for x
x = 211,822,347,375,787.34/16,657,159.74 - Step 6: Final answer
x = 12,716,594.59
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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.