Finding the Fourth Proportional to 19,813,982.02, 27,343,493.26 and 11,111,967.80
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Solution
The fourth proportional to 19,813,982.02, 27,343,493.26 and 11,111,967.80 is: 15,334,626.65
Step by Step Solution
- Step 1: Write the proportion equation
19,813,982.02 : 27,343,493.26 = 11,111,967.80 : x - Step 2: Convert to fraction form
19,813,982.02/27,343,493.26 = 11,111,967.80/x - Step 3: Cross multiply
19,813,982.02x = 27,343,493.26 × 11,111,967.80 - Step 4: Simplify right side
19,813,982.02x = 303,840,016,644,637.06 - Step 5: Solve for x
x = 303,840,016,644,637.06/19,813,982.02 - Step 6: Final answer
x = 15,334,626.65
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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.