Finding the Fourth Proportional to 10,368,844.70, 15,553,267.05 and 6,585,043.10
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Solution
The fourth proportional to 10,368,844.70, 15,553,267.05 and 6,585,043.10 is: 9,877,564.65
Step by Step Solution
- Step 1: Write the proportion equation
10,368,844.70 : 15,553,267.05 = 6,585,043.10 : x - Step 2: Convert to fraction form
10,368,844.70/15,553,267.05 = 6,585,043.10/x - Step 3: Cross multiply
10,368,844.70x = 15,553,267.05 × 6,585,043.10 - Step 4: Simplify right side
10,368,844.70x = 102,418,933,870,059.86 - Step 5: Solve for x
x = 102,418,933,870,059.86/10,368,844.70 - Step 6: Final answer
x = 9,877,564.65
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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.