Finding the Fourth Proportional to 11,081,386.97, 15,293,724.68 and 6,434,246.87
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Solution
The fourth proportional to 11,081,386.97, 15,293,724.68 and 6,434,246.87 is: 8,880,079.76
Step by Step Solution
- Step 1: Write the proportion equation
11,081,386.97 : 15,293,724.68 = 6,434,246.87 : x - Step 2: Convert to fraction form
11,081,386.97/15,293,724.68 = 6,434,246.87/x - Step 3: Cross multiply
11,081,386.97x = 15,293,724.68 × 6,434,246.87 - Step 4: Simplify right side
11,081,386.97x = 98,403,600,152,931.75 - Step 5: Solve for x
x = 98,403,600,152,931.75/11,081,386.97 - Step 6: Final answer
x = 8,880,079.76
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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.