Finding the Fourth Proportional to 6,330,820.14, 8,736,535.08 and 3,430,213.29
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Solution
The fourth proportional to 6,330,820.14, 8,736,535.08 and 3,430,213.29 is: 4,733,696.12
Step by Step Solution
- Step 1: Write the proportion equation
6,330,820.14 : 8,736,535.08 = 3,430,213.29 : x - Step 2: Convert to fraction form
6,330,820.14/8,736,535.08 = 3,430,213.29/x - Step 3: Cross multiply
6,330,820.14x = 8,736,535.08 × 3,430,213.29 - Step 4: Simplify right side
6,330,820.14x = 29,968,178,739,967.21 - Step 5: Solve for x
x = 29,968,178,739,967.21/6,330,820.14 - Step 6: Final answer
x = 4,733,696.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.