Finding the Fourth Proportional to 10,698,617.18, 14,764,091.58 and 6,115,036.97
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Solution
The fourth proportional to 10,698,617.18, 14,764,091.58 and 6,115,036.97 is: 8,438,750.94
Step by Step Solution
- Step 1: Write the proportion equation
10,698,617.18 : 14,764,091.58 = 6,115,036.97 : x - Step 2: Convert to fraction form
10,698,617.18/14,764,091.58 = 6,115,036.97/x - Step 3: Cross multiply
10,698,617.18x = 14,764,091.58 × 6,115,036.97 - Step 4: Simplify right side
10,698,617.18x = 90,282,965,766,345.25 - Step 5: Solve for x
x = 90,282,965,766,345.25/10,698,617.18 - Step 6: Final answer
x = 8,438,750.94
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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.