Finding the Fourth Proportional to 15,704,971.40, 23,539,961.10 and 6,117,163.40
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Solution
The fourth proportional to 15,704,971.40, 23,539,961.10 and 6,117,163.40 is: 9,168,930.32
Step by Step Solution
- Step 1: Write the proportion equation
15,704,971.40 : 23,539,961.10 = 6,117,163.40 : x - Step 2: Convert to fraction form
15,704,971.40/23,539,961.10 = 6,117,163.40/x - Step 3: Cross multiply
15,704,971.40x = 23,539,961.10 × 6,117,163.40 - Step 4: Simplify right side
15,704,971.40x = 143,997,788,478,343.75 - Step 5: Solve for x
x = 143,997,788,478,343.75/15,704,971.40 - Step 6: Final answer
x = 9,168,930.32
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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.