Finding the Fourth Proportional to 7,572,444.68, 10,449,921.30 and 4,134,683.72
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Solution
The fourth proportional to 7,572,444.68, 10,449,921.30 and 4,134,683.72 is: 5,705,834.95
Step by Step Solution
- Step 1: Write the proportion equation
7,572,444.68 : 10,449,921.30 = 4,134,683.72 : x - Step 2: Convert to fraction form
7,572,444.68/10,449,921.30 = 4,134,683.72/x - Step 3: Cross multiply
7,572,444.68x = 10,449,921.30 × 4,134,683.72 - Step 4: Simplify right side
7,572,444.68x = 43,207,119,474,391.24 - Step 5: Solve for x
x = 43,207,119,474,391.24/7,572,444.68 - Step 6: Final answer
x = 5,705,834.95
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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.