Finding the Fourth Proportional to 22,445,335.62, 30,974,544.59 and 12,132,058.68
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Solution
The fourth proportional to 22,445,335.62, 30,974,544.59 and 12,132,058.68 is: 16,742,230.94
Step by Step Solution
- Step 1: Write the proportion equation
22,445,335.62 : 30,974,544.59 = 12,132,058.68 : x - Step 2: Convert to fraction form
22,445,335.62/30,974,544.59 = 12,132,058.68/x - Step 3: Cross multiply
22,445,335.62x = 30,974,544.59 × 12,132,058.68 - Step 4: Simplify right side
22,445,335.62x = 375,784,992,491,496.25 - Step 5: Solve for x
x = 375,784,992,491,496.25/22,445,335.62 - Step 6: Final answer
x = 16,742,230.94
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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.