Finding the Fourth Proportional to 14,017,246.80, 21,019,726.20 and 6,441,694.80
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Solution
The fourth proportional to 14,017,246.80, 21,019,726.20 and 6,441,694.80 is: 9,659,718.69
Step by Step Solution
- Step 1: Write the proportion equation
14,017,246.80 : 21,019,726.20 = 6,441,694.80 : x - Step 2: Convert to fraction form
14,017,246.80/21,019,726.20 = 6,441,694.80/x - Step 3: Cross multiply
14,017,246.80x = 21,019,726.20 × 6,441,694.80 - Step 4: Simplify right side
14,017,246.80x = 135,402,660,959,963.75 - Step 5: Solve for x
x = 135,402,660,959,963.75/14,017,246.80 - Step 6: Final answer
x = 9,659,718.69
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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.