Finding the Fourth Proportional to 14,974,877.34, 20,663,553.36 and 8,448,125.76
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Solution
The fourth proportional to 14,974,877.34, 20,663,553.36 and 8,448,125.76 is: 11,657,410.84
Step by Step Solution
- Step 1: Write the proportion equation
14,974,877.34 : 20,663,553.36 = 8,448,125.76 : x - Step 2: Convert to fraction form
14,974,877.34/20,663,553.36 = 8,448,125.76/x - Step 3: Cross multiply
14,974,877.34x = 20,663,553.36 × 8,448,125.76 - Step 4: Simplify right side
14,974,877.34x = 174,568,297,433,750.53 - Step 5: Solve for x
x = 174,568,297,433,750.53/14,974,877.34 - Step 6: Final answer
x = 11,657,410.84
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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.