Finding the Fourth Proportional to 13,671,405.80, 20,507,108.70 and 6,593,517.80
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Solution
The fourth proportional to 13,671,405.80, 20,507,108.70 and 6,593,517.80 is: 9,890,276.70
Step by Step Solution
- Step 1: Write the proportion equation
13,671,405.80 : 20,507,108.70 = 6,593,517.80 : x - Step 2: Convert to fraction form
13,671,405.80/20,507,108.70 = 6,593,517.80/x - Step 3: Cross multiply
13,671,405.80x = 20,507,108.70 × 6,593,517.80 - Step 4: Simplify right side
13,671,405.80x = 135,213,986,239,984.84 - Step 5: Solve for x
x = 135,213,986,239,984.84/13,671,405.80 - Step 6: Final answer
x = 9,890,276.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.