Finding the Fourth Proportional to 23,725,487.68, 32,742,584.88 and 13,413,170.56
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Solution
The fourth proportional to 23,725,487.68, 32,742,584.88 and 13,413,170.56 is: 18,510,973.58
Step by Step Solution
- Step 1: Write the proportion equation
23,725,487.68 : 32,742,584.88 = 13,413,170.56 : x - Step 2: Convert to fraction form
23,725,487.68/32,742,584.88 = 13,413,170.56/x - Step 3: Cross multiply
23,725,487.68x = 32,742,584.88 × 13,413,170.56 - Step 4: Simplify right side
23,725,487.68x = 439,181,875,570,717.12 - Step 5: Solve for x
x = 439,181,875,570,717.12/23,725,487.68 - Step 6: Final answer
x = 18,510,973.58
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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.