Finding the Fourth Proportional to 7,952,135.60, 11,928,203.40 and 7,070,337.20
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Solution
The fourth proportional to 7,952,135.60, 11,928,203.40 and 7,070,337.20 is: 10,605,505.80
Step by Step Solution
- Step 1: Write the proportion equation
7,952,135.60 : 11,928,203.40 = 7,070,337.20 : x - Step 2: Convert to fraction form
7,952,135.60/11,928,203.40 = 7,070,337.20/x - Step 3: Cross multiply
7,952,135.60x = 11,928,203.40 × 7,070,337.20 - Step 4: Simplify right side
7,952,135.60x = 84,336,420,228,186.48 - Step 5: Solve for x
x = 84,336,420,228,186.48/7,952,135.60 - Step 6: Final answer
x = 10,605,505.80
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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.