Finding the Fourth Proportional to 10,996,904.70, 16,495,357.05 and 9,579,728.70
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Solution
The fourth proportional to 10,996,904.70, 16,495,357.05 and 9,579,728.70 is: 14,369,593.05
Step by Step Solution
- Step 1: Write the proportion equation
10,996,904.70 : 16,495,357.05 = 9,579,728.70 : x - Step 2: Convert to fraction form
10,996,904.70/16,495,357.05 = 9,579,728.70/x - Step 3: Cross multiply
10,996,904.70x = 16,495,357.05 × 9,579,728.70 - Step 4: Simplify right side
10,996,904.70x = 158,021,045,348,632.34 - Step 5: Solve for x
x = 158,021,045,348,632.34/10,996,904.70 - Step 6: Final answer
x = 14,369,593.05
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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.