Finding the Fourth Proportional to 10,889,525.64, 15,027,646.86 and 5,994,844.68
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Solution
The fourth proportional to 10,889,525.64, 15,027,646.86 and 5,994,844.68 is: 8,272,941.52
Step by Step Solution
- Step 1: Write the proportion equation
10,889,525.64 : 15,027,646.86 = 5,994,844.68 : x - Step 2: Convert to fraction form
10,889,525.64/15,027,646.86 = 5,994,844.68/x - Step 3: Cross multiply
10,889,525.64x = 15,027,646.86 × 5,994,844.68 - Step 4: Simplify right side
10,889,525.64x = 90,088,408,831,589.70 - Step 5: Solve for x
x = 90,088,408,831,589.70/10,889,525.64 - Step 6: Final answer
x = 8,272,941.52
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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.