Finding the Fourth Proportional to 7,242,377.30, 10,871,860.35 and 4,252,246.10
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Solution
The fourth proportional to 7,242,377.30, 10,871,860.35 and 4,252,246.10 is: 6,383,239.07
Step by Step Solution
- Step 1: Write the proportion equation
7,242,377.30 : 10,871,860.35 = 4,252,246.10 : x - Step 2: Convert to fraction form
7,242,377.30/10,871,860.35 = 4,252,246.10/x - Step 3: Cross multiply
7,242,377.30x = 10,871,860.35 × 4,252,246.10 - Step 4: Simplify right side
7,242,377.30x = 46,229,825,773,032.13 - Step 5: Solve for x
x = 46,229,825,773,032.13/7,242,377.30 - Step 6: Final answer
x = 6,383,239.07
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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.