Finding the Fourth Proportional to 8,871,122.17, 12,241,637.75 and 4,950,570.82
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Solution
The fourth proportional to 8,871,122.17, 12,241,637.75 and 4,950,570.82 is: 6,831,502.65
Step by Step Solution
- Step 1: Write the proportion equation
8,871,122.17 : 12,241,637.75 = 4,950,570.82 : x - Step 2: Convert to fraction form
8,871,122.17/12,241,637.75 = 4,950,570.82/x - Step 3: Cross multiply
8,871,122.17x = 12,241,637.75 × 4,950,570.82 - Step 4: Simplify right side
8,871,122.17x = 60,603,094,634,160.46 - Step 5: Solve for x
x = 60,603,094,634,160.46/8,871,122.17 - Step 6: Final answer
x = 6,831,502.65
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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.