Finding the Fourth Proportional to 12,113,599.92, 18,168,242.44 and 4,826,448.94
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Solution
The fourth proportional to 12,113,599.92, 18,168,242.44 and 4,826,448.94 is: 7,238,813.82
Step by Step Solution
- Step 1: Write the proportion equation
12,113,599.92 : 18,168,242.44 = 4,826,448.94 : x - Step 2: Convert to fraction form
12,113,599.92/18,168,242.44 = 4,826,448.94/x - Step 3: Cross multiply
12,113,599.92x = 18,168,242.44 × 4,826,448.94 - Step 4: Simplify right side
12,113,599.92x = 87,688,094,466,201.03 - Step 5: Solve for x
x = 87,688,094,466,201.03/12,113,599.92 - Step 6: Final answer
x = 7,238,813.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.