Finding the Fourth Proportional to 11,069,751.70, 15,281,787.82 and 6,884,785.55
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Solution
The fourth proportional to 11,069,751.70, 15,281,787.82 and 6,884,785.55 is: 9,504,443.72
Step by Step Solution
- Step 1: Write the proportion equation
11,069,751.70 : 15,281,787.82 = 6,884,785.55 : x - Step 2: Convert to fraction form
11,069,751.70/15,281,787.82 = 6,884,785.55/x - Step 3: Cross multiply
11,069,751.70x = 15,281,787.82 × 6,884,785.55 - Step 4: Simplify right side
11,069,751.70x = 105,211,832,014,570.38 - Step 5: Solve for x
x = 105,211,832,014,570.38/11,069,751.70 - Step 6: Final answer
x = 9,504,443.72
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1.5x scale
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.