Finding the Fourth Proportional to 14,996,862.67, 20,689,811.49 and 8,716,346.50
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Solution
The fourth proportional to 14,996,862.67, 20,689,811.49 and 8,716,346.50 is: 12,025,152.86
Step by Step Solution
- Step 1: Write the proportion equation
14,996,862.67 : 20,689,811.49 = 8,716,346.50 : x - Step 2: Convert to fraction form
14,996,862.67/20,689,811.49 = 8,716,346.50/x - Step 3: Cross multiply
14,996,862.67x = 20,689,811.49 × 8,716,346.50 - Step 4: Simplify right side
14,996,862.67x = 180,339,565,966,521.28 - Step 5: Solve for x
x = 180,339,565,966,521.28/14,996,862.67 - Step 6: Final answer
x = 12,025,152.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.