Finding the Fourth Proportional to 29,287,734.13, 43,931,112.18 and 7,130,110.47
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Solution
The fourth proportional to 29,287,734.13, 43,931,112.18 and 7,130,110.47 is: 10,695,046.65
Step by Step Solution
- Step 1: Write the proportion equation
29,287,734.13 : 43,931,112.18 = 7,130,110.47 : x - Step 2: Convert to fraction form
29,287,734.13/43,931,112.18 = 7,130,110.47/x - Step 3: Cross multiply
29,287,734.13x = 43,931,112.18 × 7,130,110.47 - Step 4: Simplify right side
29,287,734.13x = 313,233,682,913,362.50 - Step 5: Solve for x
x = 313,233,682,913,362.50/29,287,734.13 - Step 6: Final answer
x = 10,695,046.65
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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.