Finding the Fourth Proportional to 7,971,202.18, 11,005,553.49 and 6,132,416.32
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Solution
The fourth proportional to 7,971,202.18, 11,005,553.49 and 6,132,416.32 is: 8,466,807.68
Step by Step Solution
- Step 1: Write the proportion equation
7,971,202.18 : 11,005,553.49 = 6,132,416.32 : x - Step 2: Convert to fraction form
7,971,202.18/11,005,553.49 = 6,132,416.32/x - Step 3: Cross multiply
7,971,202.18x = 11,005,553.49 × 6,132,416.32 - Step 4: Simplify right side
7,971,202.18x = 67,490,635,832,708.96 - Step 5: Solve for x
x = 67,490,635,832,708.96/7,971,202.18 - Step 6: Final answer
x = 8,466,807.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.