Finding the Fourth Proportional to 19,576,723.96, 29,334,905.32 and 10,480,028.68
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Solution
The fourth proportional to 19,576,723.96, 29,334,905.32 and 10,480,028.68 is: 15,703,886.40
Step by Step Solution
- Step 1: Write the proportion equation
19,576,723.96 : 29,334,905.32 = 10,480,028.68 : x - Step 2: Convert to fraction form
19,576,723.96/29,334,905.32 = 10,480,028.68/x - Step 3: Cross multiply
19,576,723.96x = 29,334,905.32 × 10,480,028.68 - Step 4: Simplify right side
19,576,723.96x = 307,430,649,078,684.56 - Step 5: Solve for x
x = 307,430,649,078,684.56/19,576,723.96 - Step 6: Final answer
x = 15,703,886.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.