Finding the Fourth Proportional to 10,368,823.70, 15,553,235.55 and 8,857,169.30
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Solution
The fourth proportional to 10,368,823.70, 15,553,235.55 and 8,857,169.30 is: 13,285,753.95
Step by Step Solution
- Step 1: Write the proportion equation
10,368,823.70 : 15,553,235.55 = 8,857,169.30 : x - Step 2: Convert to fraction form
10,368,823.70/15,553,235.55 = 8,857,169.30/x - Step 3: Cross multiply
10,368,823.70x = 15,553,235.55 × 8,857,169.30 - Step 4: Simplify right side
10,368,823.70x = 137,757,640,429,128.64 - Step 5: Solve for x
x = 137,757,640,429,128.64/10,368,823.70 - Step 6: Final answer
x = 13,285,753.95
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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.