Finding the Fourth Proportional to 13,001,523.80, 19,502,285.70 and 6,624,231.80
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Solution
The fourth proportional to 13,001,523.80, 19,502,285.70 and 6,624,231.80 is: 9,936,347.70
Step by Step Solution
- Step 1: Write the proportion equation
13,001,523.80 : 19,502,285.70 = 6,624,231.80 : x - Step 2: Convert to fraction form
13,001,523.80/19,502,285.70 = 6,624,231.80/x - Step 3: Cross multiply
13,001,523.80x = 19,502,285.70 × 6,624,231.80 - Step 4: Simplify right side
13,001,523.80x = 129,187,661,106,625.25 - Step 5: Solve for x
x = 129,187,661,106,625.25/13,001,523.80 - Step 6: Final answer
x = 9,936,347.70
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1.5x scale
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.