Finding the Fourth Proportional to 22,871,447.52, 31,563,627.12 and 13,703,893.44
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Solution
The fourth proportional to 22,871,447.52, 31,563,627.12 and 13,703,893.44 is: 18,911,989.82
Step by Step Solution
- Step 1: Write the proportion equation
22,871,447.52 : 31,563,627.12 = 13,703,893.44 : x - Step 2: Convert to fraction form
22,871,447.52/31,563,627.12 = 13,703,893.44/x - Step 3: Cross multiply
22,871,447.52x = 31,563,627.12 × 13,703,893.44 - Step 4: Simplify right side
22,871,447.52x = 432,544,582,632,374.06 - Step 5: Solve for x
x = 432,544,582,632,374.06/22,871,447.52 - Step 6: Final answer
x = 18,911,989.82
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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.