Finding the Fourth Proportional to 13,634,953.92, 20,450,919.60 and 4,880,885.76
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Solution
The fourth proportional to 13,634,953.92, 20,450,919.60 and 4,880,885.76 is: 7,320,787.65
Step by Step Solution
- Step 1: Write the proportion equation
13,634,953.92 : 20,450,919.60 = 4,880,885.76 : x - Step 2: Convert to fraction form
13,634,953.92/20,450,919.60 = 4,880,885.76/x - Step 3: Cross multiply
13,634,953.92x = 20,450,919.60 × 4,880,885.76 - Step 4: Simplify right side
13,634,953.92x = 99,818,602,254,544.91 - Step 5: Solve for x
x = 99,818,602,254,544.91/13,634,953.92 - Step 6: Final answer
x = 7,320,787.65
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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.