Finding the Fourth Proportional to 10,910,624.16, 15,053,320.08 and 6,326,025.12
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Solution
The fourth proportional to 10,910,624.16, 15,053,320.08 and 6,326,025.12 is: 8,727,977.39
Step by Step Solution
- Step 1: Write the proportion equation
10,910,624.16 : 15,053,320.08 = 6,326,025.12 : x - Step 2: Convert to fraction form
10,910,624.16/15,053,320.08 = 6,326,025.12/x - Step 3: Cross multiply
10,910,624.16x = 15,053,320.08 × 6,326,025.12 - Step 4: Simplify right side
10,910,624.16x = 95,227,680,965,480.41 - Step 5: Solve for x
x = 95,227,680,965,480.41/10,910,624.16 - Step 6: Final answer
x = 8,727,977.39
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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.