Finding the Fourth Proportional to 23,219,515.44, 32,043,314.88 and 12,765,973.68
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Solution
The fourth proportional to 23,219,515.44, 32,043,314.88 and 12,765,973.68 is: 17,617,254.56
Step by Step Solution
- Step 1: Write the proportion equation
23,219,515.44 : 32,043,314.88 = 12,765,973.68 : x - Step 2: Convert to fraction form
23,219,515.44/32,043,314.88 = 12,765,973.68/x - Step 3: Cross multiply
23,219,515.44x = 32,043,314.88 × 12,765,973.68 - Step 4: Simplify right side
23,219,515.44x = 409,064,114,378,032.31 - Step 5: Solve for x
x = 409,064,114,378,032.31/23,219,515.44 - Step 6: Final answer
x = 17,617,254.56
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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.