Finding the Fourth Proportional to 10,368,086.70, 15,552,130.05 and 8,203,248.30
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Solution
The fourth proportional to 10,368,086.70, 15,552,130.05 and 8,203,248.30 is: 12,304,872.45
Step by Step Solution
- Step 1: Write the proportion equation
10,368,086.70 : 15,552,130.05 = 8,203,248.30 : x - Step 2: Convert to fraction form
10,368,086.70/15,552,130.05 = 8,203,248.30/x - Step 3: Cross multiply
10,368,086.70x = 15,552,130.05 × 8,203,248.30 - Step 4: Simplify right side
10,368,086.70x = 127,577,984,394,041.42 - Step 5: Solve for x
x = 127,577,984,394,041.42/10,368,086.70 - Step 6: Final answer
x = 12,304,872.45
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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.