Finding the Fourth Proportional to 7,772,761.64, 10,726,430.10 and 4,335,225.32
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Solution
The fourth proportional to 7,772,761.64, 10,726,430.10 and 4,335,225.32 is: 5,982,621.56
Step by Step Solution
- Step 1: Write the proportion equation
7,772,761.64 : 10,726,430.10 = 4,335,225.32 : x - Step 2: Convert to fraction form
7,772,761.64/10,726,430.10 = 4,335,225.32/x - Step 3: Cross multiply
7,772,761.64x = 10,726,430.10 × 4,335,225.32 - Step 4: Simplify right side
7,772,761.64x = 46,501,491,362,730.13 - Step 5: Solve for x
x = 46,501,491,362,730.13/7,772,761.64 - Step 6: Final answer
x = 5,982,621.56
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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.