Finding the Fourth Proportional to 23,868,078.84, 32,929,308.76 and 15,612,853.68
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Solution
The fourth proportional to 23,868,078.84, 32,929,308.76 and 15,612,853.68 is: 21,540,086.36
Step by Step Solution
- Step 1: Write the proportion equation
23,868,078.84 : 32,929,308.76 = 15,612,853.68 : x - Step 2: Convert to fraction form
23,868,078.84/32,929,308.76 = 15,612,853.68/x - Step 3: Cross multiply
23,868,078.84x = 32,929,308.76 × 15,612,853.68 - Step 4: Simplify right side
23,868,078.84x = 514,120,479,453,422.25 - Step 5: Solve for x
x = 514,120,479,453,422.25/23,868,078.84 - Step 6: Final answer
x = 21,540,086.36
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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.