Finding the Fourth Proportional to 19,559,817.20, 29,339,725.80 and 11,476,665.20
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Solution
The fourth proportional to 19,559,817.20, 29,339,725.80 and 11,476,665.20 is: 17,214,997.80
Step by Step Solution
- Step 1: Write the proportion equation
19,559,817.20 : 29,339,725.80 = 11,476,665.20 : x - Step 2: Convert to fraction form
19,559,817.20/29,339,725.80 = 11,476,665.20/x - Step 3: Cross multiply
19,559,817.20x = 29,339,725.80 × 11,476,665.20 - Step 4: Simplify right side
19,559,817.20x = 336,722,210,066,402.12 - Step 5: Solve for x
x = 336,722,210,066,402.12/19,559,817.20 - Step 6: Final answer
x = 17,214,997.80
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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.