Finding the Fourth Proportional to 10,368,920.10, 15,553,380.15 and 8,227,409.70
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Solution
The fourth proportional to 10,368,920.10, 15,553,380.15 and 8,227,409.70 is: 12,341,114.55
Step by Step Solution
- Step 1: Write the proportion equation
10,368,920.10 : 15,553,380.15 = 8,227,409.70 : x - Step 2: Convert to fraction form
10,368,920.10/15,553,380.15 = 8,227,409.70/x - Step 3: Cross multiply
10,368,920.10x = 15,553,380.15 × 8,227,409.70 - Step 4: Simplify right side
10,368,920.10x = 127,964,030,713,897.47 - Step 5: Solve for x
x = 127,964,030,713,897.47/10,368,920.10 - Step 6: Final answer
x = 12,341,114.55
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1.5x scale
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.