Finding the Fourth Proportional to 19,351,962.92, 29,021,027.88 and 6,395,715.65
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Solution
The fourth proportional to 19,351,962.92, 29,021,027.88 and 6,395,715.65 is: 9,591,287.61
Step by Step Solution
- Step 1: Write the proportion equation
19,351,962.92 : 29,021,027.88 = 6,395,715.65 : x - Step 2: Convert to fraction form
19,351,962.92/29,021,027.88 = 6,395,715.65/x - Step 3: Cross multiply
19,351,962.92x = 29,021,027.88 × 6,395,715.65 - Step 4: Simplify right side
19,351,962.92x = 185,610,242,191,202.31 - Step 5: Solve for x
x = 185,610,242,191,202.31/19,351,962.92 - Step 6: Final answer
x = 9,591,287.61
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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.