Finding the Fourth Proportional to 10,996,829.20, 16,495,243.80 and 9,579,653.20
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Solution
The fourth proportional to 10,996,829.20, 16,495,243.80 and 9,579,653.20 is: 14,369,479.80
Step by Step Solution
- Step 1: Write the proportion equation
10,996,829.20 : 16,495,243.80 = 9,579,653.20 : x - Step 2: Convert to fraction form
10,996,829.20/16,495,243.80 = 9,579,653.20/x - Step 3: Cross multiply
10,996,829.20x = 16,495,243.80 × 9,579,653.20 - Step 4: Simplify right side
10,996,829.20x = 158,018,715,053,450.16 - Step 5: Solve for x
x = 158,018,715,053,450.16/10,996,829.20 - Step 6: Final answer
x = 14,369,479.80
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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.