Finding the Fourth Proportional to 7,927,970.32, 11,891,951.16 and 2,248,241.68
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Solution
The fourth proportional to 7,927,970.32, 11,891,951.16 and 2,248,241.68 is: 3,372,361.29
Step by Step Solution
- Step 1: Write the proportion equation
7,927,970.32 : 11,891,951.16 = 2,248,241.68 : x - Step 2: Convert to fraction form
7,927,970.32/11,891,951.16 = 2,248,241.68/x - Step 3: Cross multiply
7,927,970.32x = 11,891,951.16 × 2,248,241.68 - Step 4: Simplify right side
7,927,970.32x = 26,735,980,254,436.35 - Step 5: Solve for x
x = 26,735,980,254,436.35/7,927,970.32 - Step 6: Final answer
x = 3,372,361.29
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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.