Finding the Fourth Proportional to 10,871,464.21, 16,295,237.98 and 4,478,228.98
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Solution
The fourth proportional to 10,871,464.21, 16,295,237.98 and 4,478,228.98 is: 6,712,417.53
Step by Step Solution
- Step 1: Write the proportion equation
10,871,464.21 : 16,295,237.98 = 4,478,228.98 : x - Step 2: Convert to fraction form
10,871,464.21/16,295,237.98 = 4,478,228.98/x - Step 3: Cross multiply
10,871,464.21x = 16,295,237.98 × 4,478,228.98 - Step 4: Simplify right side
10,871,464.21x = 72,973,806,906,098.98 - Step 5: Solve for x
x = 72,973,806,906,098.98/10,871,464.21 - Step 6: Final answer
x = 6,712,417.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.