Finding the Fourth Proportional to 26,880,786.40, 40,326,428.40 and 10,703,984.80
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Solution
The fourth proportional to 26,880,786.40, 40,326,428.40 and 10,703,984.80 is: 16,058,067.28
Step by Step Solution
- Step 1: Write the proportion equation
26,880,786.40 : 40,326,428.40 = 10,703,984.80 : x - Step 2: Convert to fraction form
26,880,786.40/40,326,428.40 = 10,703,984.80/x - Step 3: Cross multiply
26,880,786.40x = 40,326,428.40 × 10,703,984.80 - Step 4: Simplify right side
26,880,786.40x = 431,653,476,631,888.31 - Step 5: Solve for x
x = 431,653,476,631,888.31/26,880,786.40 - Step 6: Final answer
x = 16,058,067.28
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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.