Finding the Fourth Proportional to 7,400,638.26, 11,102,541.96 and 2,213,655.20
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Solution
The fourth proportional to 7,400,638.26, 11,102,541.96 and 2,213,655.20 is: 3,320,956.77
Step by Step Solution
- Step 1: Write the proportion equation
7,400,638.26 : 11,102,541.96 = 2,213,655.20 : x - Step 2: Convert to fraction form
7,400,638.26/11,102,541.96 = 2,213,655.20/x - Step 3: Cross multiply
7,400,638.26x = 11,102,541.96 × 2,213,655.20 - Step 4: Simplify right side
7,400,638.26x = 24,577,199,742,972.20 - Step 5: Solve for x
x = 24,577,199,742,972.20/7,400,638.26 - Step 6: Final answer
x = 3,320,956.77
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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.