Finding the Fourth Proportional to 23,102,543.40, 31,871,502.18 and 13,930,090.44
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Solution
The fourth proportional to 23,102,543.40, 31,871,502.18 and 13,930,090.44 is: 19,217,490.48
Step by Step Solution
- Step 1: Write the proportion equation
23,102,543.40 : 31,871,502.18 = 13,930,090.44 : x - Step 2: Convert to fraction form
23,102,543.40/31,871,502.18 = 13,930,090.44/x - Step 3: Cross multiply
23,102,543.40x = 31,871,502.18 × 13,930,090.44 - Step 4: Simplify right side
23,102,543.40x = 443,972,907,826,057.12 - Step 5: Solve for x
x = 443,972,907,826,057.12/23,102,543.40 - Step 6: Final answer
x = 19,217,490.48
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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.