Finding the Fourth Proportional to 19,500,775.70, 29,251,163.55 and 9,934,837.70
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Solution
The fourth proportional to 19,500,775.70, 29,251,163.55 and 9,934,837.70 is: 14,902,256.55
Step by Step Solution
- Step 1: Write the proportion equation
19,500,775.70 : 29,251,163.55 = 9,934,837.70 : x - Step 2: Convert to fraction form
19,500,775.70/29,251,163.55 = 9,934,837.70/x - Step 3: Cross multiply
19,500,775.70x = 29,251,163.55 × 9,934,837.70 - Step 4: Simplify right side
19,500,775.70x = 290,605,562,405,405.81 - Step 5: Solve for x
x = 290,605,562,405,405.81/19,500,775.70 - Step 6: Final answer
x = 14,902,256.55
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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.