Finding the Fourth Proportional to 8,795,554.49, 13,133,170.71 and 7,878,818.77
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Solution
The fourth proportional to 8,795,554.49, 13,133,170.71 and 7,878,818.77 is: 11,764,337.54
Step by Step Solution
- Step 1: Write the proportion equation
8,795,554.49 : 13,133,170.71 = 7,878,818.77 : x - Step 2: Convert to fraction form
8,795,554.49/13,133,170.71 = 7,878,818.77/x - Step 3: Cross multiply
8,795,554.49x = 13,133,170.71 × 7,878,818.77 - Step 4: Simplify right side
8,795,554.49x = 103,473,871,866,729.31 - Step 5: Solve for x
x = 103,473,871,866,729.31/8,795,554.49 - Step 6: Final answer
x = 11,764,337.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.