Finding the Fourth Proportional to 41,871,407.05, 57,742,440.75 and 27,720,192.55
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Solution
The fourth proportional to 41,871,407.05, 57,742,440.75 and 27,720,192.55 is: 38,227,317.61
Step by Step Solution
- Step 1: Write the proportion equation
41,871,407.05 : 57,742,440.75 = 27,720,192.55 : x - Step 2: Convert to fraction form
41,871,407.05/57,742,440.75 = 27,720,192.55/x - Step 3: Cross multiply
41,871,407.05x = 57,742,440.75 × 27,720,192.55 - Step 4: Simplify right side
41,871,407.05x = 1,600,631,576,073,095 - Step 5: Solve for x
x = 1,600,631,576,073,095/41,871,407.05 - Step 6: Final answer
x = 38,227,317.61
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1.5x scale
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.