Finding the Fourth Proportional to 9,237,479.48, 12,747,207.48 and 5,107,271.84
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Solution
The fourth proportional to 9,237,479.48, 12,747,207.48 and 5,107,271.84 is: 7,047,750.84
Step by Step Solution
- Step 1: Write the proportion equation
9,237,479.48 : 12,747,207.48 = 5,107,271.84 : x - Step 2: Convert to fraction form
9,237,479.48/12,747,207.48 = 5,107,271.84/x - Step 3: Cross multiply
9,237,479.48x = 12,747,207.48 × 5,107,271.84 - Step 4: Simplify right side
9,237,479.48x = 65,103,453,801,241.37 - Step 5: Solve for x
x = 65,103,453,801,241.37/9,237,479.48 - Step 6: Final answer
x = 7,047,750.84
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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.