Finding the Fourth Proportional to 9,992,335.05, 13,788,652.74 and 5,641,850.76
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Solution
The fourth proportional to 9,992,335.05, 13,788,652.74 and 5,641,850.76 is: 7,785,319.50
Step by Step Solution
- Step 1: Write the proportion equation
9,992,335.05 : 13,788,652.74 = 5,641,850.76 : x - Step 2: Convert to fraction form
9,992,335.05/13,788,652.74 = 5,641,850.76/x - Step 3: Cross multiply
9,992,335.05x = 13,788,652.74 × 5,641,850.76 - Step 4: Simplify right side
9,992,335.05x = 77,793,520,940,545.08 - Step 5: Solve for x
x = 77,793,520,940,545.08/9,992,335.05 - Step 6: Final answer
x = 7,785,319.50
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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.