Finding the Fourth Proportional to 6,927,230.70, 10,373,131.35 and 5,120,331.30
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Solution
The fourth proportional to 6,927,230.70, 10,373,131.35 and 5,120,331.30 is: 7,667,402.95
Step by Step Solution
- Step 1: Write the proportion equation
6,927,230.70 : 10,373,131.35 = 5,120,331.30 : x - Step 2: Convert to fraction form
6,927,230.70/10,373,131.35 = 5,120,331.30/x - Step 3: Cross multiply
6,927,230.70x = 10,373,131.35 × 5,120,331.30 - Step 4: Simplify right side
6,927,230.70x = 53,113,869,130,416.25 - Step 5: Solve for x
x = 53,113,869,130,416.25/6,927,230.70 - Step 6: Final answer
x = 7,667,402.95
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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.