Finding the Fourth Proportional to 13,269,192.42, 19,896,653.33 and 7,806,175.77
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Solution
The fourth proportional to 13,269,192.42, 19,896,653.33 and 7,806,175.77 is: 11,705,066.00
Step by Step Solution
- Step 1: Write the proportion equation
13,269,192.42 : 19,896,653.33 = 7,806,175.77 : x - Step 2: Convert to fraction form
13,269,192.42/19,896,653.33 = 7,806,175.77/x - Step 3: Cross multiply
13,269,192.42x = 19,896,653.33 × 7,806,175.77 - Step 4: Simplify right side
13,269,192.42x = 155,316,772,990,221.66 - Step 5: Solve for x
x = 155,316,772,990,221.66/13,269,192.42 - Step 6: Final answer
x = 11,705,066.00
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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.