Finding the Fourth Proportional to 14,304,779.75, 19,740,698.74 and 7,778,362.44
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Solution
The fourth proportional to 14,304,779.75, 19,740,698.74 and 7,778,362.44 is: 10,734,196.00
Step by Step Solution
- Step 1: Write the proportion equation
14,304,779.75 : 19,740,698.74 = 7,778,362.44 : x - Step 2: Convert to fraction form
14,304,779.75/19,740,698.74 = 7,778,362.44/x - Step 3: Cross multiply
14,304,779.75x = 19,740,698.74 × 7,778,362.44 - Step 4: Simplify right side
14,304,779.75x = 153,550,309,618,571.31 - Step 5: Solve for x
x = 153,550,309,618,571.31/14,304,779.75 - Step 6: Final answer
x = 10,734,196.00
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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.