Finding the Fourth Proportional to 13,941,806.80, 19,241,192.56 and 8,438,210.44
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Solution
The fourth proportional to 13,941,806.80, 19,241,192.56 and 8,438,210.44 is: 11,645,637.78
Step by Step Solution
- Step 1: Write the proportion equation
13,941,806.80 : 19,241,192.56 = 8,438,210.44 : x - Step 2: Convert to fraction form
13,941,806.80/19,241,192.56 = 8,438,210.44/x - Step 3: Cross multiply
13,941,806.80x = 19,241,192.56 × 8,438,210.44 - Step 4: Simplify right side
13,941,806.80x = 162,361,231,937,842.31 - Step 5: Solve for x
x = 162,361,231,937,842.31/13,941,806.80 - Step 6: Final answer
x = 11,645,637.78
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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.