Finding the Fourth Proportional to 10,080,331.70, 15,120,497.55 and 9,041,069.30
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Solution
The fourth proportional to 10,080,331.70, 15,120,497.55 and 9,041,069.30 is: 13,561,603.95
Step by Step Solution
- Step 1: Write the proportion equation
10,080,331.70 : 15,120,497.55 = 9,041,069.30 : x - Step 2: Convert to fraction form
10,080,331.70/15,120,497.55 = 9,041,069.30/x - Step 3: Cross multiply
10,080,331.70x = 15,120,497.55 × 9,041,069.30 - Step 4: Simplify right side
10,080,331.70x = 136,705,466,200,030.23 - Step 5: Solve for x
x = 136,705,466,200,030.23/10,080,331.70 - Step 6: Final answer
x = 13,561,603.95
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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.