Finding the Fourth Proportional to 7,852,549.16, 11,779,086.18 and 2,172,297.80
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Solution
The fourth proportional to 7,852,549.16, 11,779,086.18 and 2,172,297.80 is: 3,258,519.30
Step by Step Solution
- Step 1: Write the proportion equation
7,852,549.16 : 11,779,086.18 = 2,172,297.80 : x - Step 2: Convert to fraction form
7,852,549.16/11,779,086.18 = 2,172,297.80/x - Step 3: Cross multiply
7,852,549.16x = 11,779,086.18 × 2,172,297.80 - Step 4: Simplify right side
7,852,549.16x = 25,587,683,032,418.24 - Step 5: Solve for x
x = 25,587,683,032,418.24/7,852,549.16 - Step 6: Final answer
x = 3,258,519.30
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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.