Finding the Fourth Proportional to 29,287,730.87, 43,931,107.30 and 7,130,107.22
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Solution
The fourth proportional to 29,287,730.87, 43,931,107.30 and 7,130,107.22 is: 10,695,041.77
Step by Step Solution
- Step 1: Write the proportion equation
29,287,730.87 : 43,931,107.30 = 7,130,107.22 : x - Step 2: Convert to fraction form
29,287,730.87/43,931,107.30 = 7,130,107.22/x - Step 3: Cross multiply
29,287,730.87x = 43,931,107.30 × 7,130,107.22 - Step 4: Simplify right side
29,287,730.87x = 313,233,505,118,212.81 - Step 5: Solve for x
x = 313,233,505,118,212.81/29,287,730.87 - Step 6: Final answer
x = 10,695,041.77
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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.