Finding the Fourth Proportional to 9,992,334.54, 13,788,652.05 and 5,641,850.26
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Solution
The fourth proportional to 9,992,334.54, 13,788,652.05 and 5,641,850.26 is: 7,785,318.82
Step by Step Solution
- Step 1: Write the proportion equation
9,992,334.54 : 13,788,652.05 = 5,641,850.26 : x - Step 2: Convert to fraction form
9,992,334.54/13,788,652.05 = 5,641,850.26/x - Step 3: Cross multiply
9,992,334.54x = 13,788,652.05 × 5,641,850.26 - Step 4: Simplify right side
9,992,334.54x = 77,793,510,153,342.03 - Step 5: Solve for x
x = 77,793,510,153,342.03/9,992,334.54 - Step 6: Final answer
x = 7,785,318.82
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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.