Finding the Fourth Proportional to 14,885,720.80, 22,328,581.20 and 6,366,918.40
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Solution
The fourth proportional to 14,885,720.80, 22,328,581.20 and 6,366,918.40 is: 9,550,377.60
Step by Step Solution
- Step 1: Write the proportion equation
14,885,720.80 : 22,328,581.20 = 6,366,918.40 : x - Step 2: Convert to fraction form
14,885,720.80/22,328,581.20 = 6,366,918.40/x - Step 3: Cross multiply
14,885,720.80x = 22,328,581.20 × 6,366,918.40 - Step 4: Simplify right side
14,885,720.80x = 142,164,254,488,174.09 - Step 5: Solve for x
x = 142,164,254,488,174.09/14,885,720.80 - Step 6: Final answer
x = 9,550,377.60
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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.