Finding the Fourth Proportional to 11,907,585.08, 16,441,723.40 and 9,149,925.70
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Solution
The fourth proportional to 11,907,585.08, 16,441,723.40 and 9,149,925.70 is: 12,634,009.88
Step by Step Solution
- Step 1: Write the proportion equation
11,907,585.08 : 16,441,723.40 = 9,149,925.70 : x - Step 2: Convert to fraction form
11,907,585.08/16,441,723.40 = 9,149,925.70/x - Step 3: Cross multiply
11,907,585.08x = 16,441,723.40 × 9,149,925.70 - Step 4: Simplify right side
11,907,585.08x = 150,440,547,489,951.38 - Step 5: Solve for x
x = 150,440,547,489,951.38/11,907,585.08 - Step 6: Final answer
x = 12,634,009.88
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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.