Finding the Fourth Proportional to 14,887,991.70, 22,331,987.55 and 14,321,121.30
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Solution
The fourth proportional to 14,887,991.70, 22,331,987.55 and 14,321,121.30 is: 21,481,681.95
Step by Step Solution
- Step 1: Write the proportion equation
14,887,991.70 : 22,331,987.55 = 14,321,121.30 : x - Step 2: Convert to fraction form
14,887,991.70/22,331,987.55 = 14,321,121.30/x - Step 3: Cross multiply
14,887,991.70x = 22,331,987.55 × 14,321,121.30 - Step 4: Simplify right side
14,887,991.70x = 319,819,102,573,639.81 - Step 5: Solve for x
x = 319,819,102,573,639.81/14,887,991.70 - Step 6: Final answer
x = 21,481,681.95
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1.5x scale
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.