Finding the Fourth Proportional to 12,216,368.84, 18,296,646.94 and 5,831,116.04
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Solution
The fourth proportional to 12,216,368.84, 18,296,646.94 and 5,831,116.04 is: 8,733,353.82
Step by Step Solution
- Step 1: Write the proportion equation
12,216,368.84 : 18,296,646.94 = 5,831,116.04 : x - Step 2: Convert to fraction form
12,216,368.84/18,296,646.94 = 5,831,116.04/x - Step 3: Cross multiply
12,216,368.84x = 18,296,646.94 × 5,831,116.04 - Step 4: Simplify right side
12,216,368.84x = 106,689,871,450,050.92 - Step 5: Solve for x
x = 106,689,871,450,050.92/12,216,368.84 - Step 6: Final answer
x = 8,733,353.82
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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.