Finding the Fourth Proportional to 17,973,106.20, 26,959,659.30 and 5,194,027.80
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Solution
The fourth proportional to 17,973,106.20, 26,959,659.30 and 5,194,027.80 is: 7,791,041.70
Step by Step Solution
- Step 1: Write the proportion equation
17,973,106.20 : 26,959,659.30 = 5,194,027.80 : x - Step 2: Convert to fraction form
17,973,106.20/26,959,659.30 = 5,194,027.80/x - Step 3: Cross multiply
17,973,106.20x = 26,959,659.30 × 5,194,027.80 - Step 4: Simplify right side
17,973,106.20x = 140,029,219,882,728.53 - Step 5: Solve for x
x = 140,029,219,882,728.53/17,973,106.20 - Step 6: Final answer
x = 7,791,041.70
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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.