Finding the Fourth Proportional to 14,165,695.80, 21,248,543.70 and 11,331,343.80
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Solution
The fourth proportional to 14,165,695.80, 21,248,543.70 and 11,331,343.80 is: 16,997,015.70
Step by Step Solution
- Step 1: Write the proportion equation
14,165,695.80 : 21,248,543.70 = 11,331,343.80 : x - Step 2: Convert to fraction form
14,165,695.80/21,248,543.70 = 11,331,343.80/x - Step 3: Cross multiply
14,165,695.80x = 21,248,543.70 × 11,331,343.80 - Step 4: Simplify right side
14,165,695.80x = 240,774,553,914,024.06 - Step 5: Solve for x
x = 240,774,553,914,024.06/14,165,695.80 - Step 6: Final answer
x = 16,997,015.70
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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.