Finding the Fourth Proportional to 34,512,742.62, 47,628,581.58 and 19,043,823.78
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Solution
The fourth proportional to 34,512,742.62, 47,628,581.58 and 19,043,823.78 is: 26,281,026.82
Step by Step Solution
- Step 1: Write the proportion equation
34,512,742.62 : 47,628,581.58 = 19,043,823.78 : x - Step 2: Convert to fraction form
34,512,742.62/47,628,581.58 = 19,043,823.78/x - Step 3: Cross multiply
34,512,742.62x = 47,628,581.58 × 19,043,823.78 - Step 4: Simplify right side
34,512,742.62x = 907,030,314,500,874 - Step 5: Solve for x
x = 907,030,314,500,874/34,512,742.62 - Step 6: Final answer
x = 26,281,026.82
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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.