Finding the Fourth Proportional to 13,518,931.68, 20,278,427.76 and 3,283,745.76
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Solution
The fourth proportional to 13,518,931.68, 20,278,427.76 and 3,283,745.76 is: 4,925,625.99
Step by Step Solution
- Step 1: Write the proportion equation
13,518,931.68 : 20,278,427.76 = 3,283,745.76 : x - Step 2: Convert to fraction form
13,518,931.68/20,278,427.76 = 3,283,745.76/x - Step 3: Cross multiply
13,518,931.68x = 20,278,427.76 × 3,283,745.76 - Step 4: Simplify right side
13,518,931.68x = 66,589,201,176,366.30 - Step 5: Solve for x
x = 66,589,201,176,366.30/13,518,931.68 - Step 6: Final answer
x = 4,925,625.99
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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.