Finding the Fourth Proportional to 10,974,828.80, 16,462,243.20 and 2,996,652.80
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Solution
The fourth proportional to 10,974,828.80, 16,462,243.20 and 2,996,652.80 is: 4,494,979.20
Step by Step Solution
- Step 1: Write the proportion equation
10,974,828.80 : 16,462,243.20 = 2,996,652.80 : x - Step 2: Convert to fraction form
10,974,828.80/16,462,243.20 = 2,996,652.80/x - Step 3: Cross multiply
10,974,828.80x = 16,462,243.20 × 2,996,652.80 - Step 4: Simplify right side
10,974,828.80x = 49,331,627,179,560.95 - Step 5: Solve for x
x = 49,331,627,179,560.95/10,974,828.80 - Step 6: Final answer
x = 4,494,979.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.