Finding the Fourth Proportional to 10,585,731.72, 14,602,923.64 and 6,916,793.12
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Solution
The fourth proportional to 10,585,731.72, 14,602,923.64 and 6,916,793.12 is: 9,541,655.17
Step by Step Solution
- Step 1: Write the proportion equation
10,585,731.72 : 14,602,923.64 = 6,916,793.12 : x - Step 2: Convert to fraction form
10,585,731.72/14,602,923.64 = 6,916,793.12/x - Step 3: Cross multiply
10,585,731.72x = 14,602,923.64 × 6,916,793.12 - Step 4: Simplify right side
10,585,731.72x = 101,005,401,765,037.36 - Step 5: Solve for x
x = 101,005,401,765,037.36/10,585,731.72 - Step 6: Final answer
x = 9,541,655.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.