Finding the Fourth Proportional to 7,435,793.40, 11,153,459.70 and 2,117,009.40
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Solution
The fourth proportional to 7,435,793.40, 11,153,459.70 and 2,117,009.40 is: 3,175,448.50
Step by Step Solution
- Step 1: Write the proportion equation
7,435,793.40 : 11,153,459.70 = 2,117,009.40 : x - Step 2: Convert to fraction form
7,435,793.40/11,153,459.70 = 2,117,009.40/x - Step 3: Cross multiply
7,435,793.40x = 11,153,459.70 × 2,117,009.40 - Step 4: Simplify right side
7,435,793.40x = 23,611,979,027,421.18 - Step 5: Solve for x
x = 23,611,979,027,421.18/7,435,793.40 - Step 6: Final answer
x = 3,175,448.50
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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.