Finding the Fourth Proportional to 7,244,927.10, 10,867,390.65 and 5,438,027.70
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Solution
The fourth proportional to 7,244,927.10, 10,867,390.65 and 5,438,027.70 is: 8,157,041.55
Step by Step Solution
- Step 1: Write the proportion equation
7,244,927.10 : 10,867,390.65 = 5,438,027.70 : x - Step 2: Convert to fraction form
7,244,927.10/10,867,390.65 = 5,438,027.70/x - Step 3: Cross multiply
7,244,927.10x = 10,867,390.65 × 5,438,027.70 - Step 4: Simplify right side
7,244,927.10x = 59,097,171,381,421.01 - Step 5: Solve for x
x = 59,097,171,381,421.01/7,244,927.10 - Step 6: Final answer
x = 8,157,041.55
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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.