Finding the Fourth Proportional to 10,239,011.20, 15,355,717.44 and 3,848,772.16
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Solution
The fourth proportional to 10,239,011.20, 15,355,717.44 and 3,848,772.16 is: 5,772,105.98
Step by Step Solution
- Step 1: Write the proportion equation
10,239,011.20 : 15,355,717.44 = 3,848,772.16 : x - Step 2: Convert to fraction form
10,239,011.20/15,355,717.44 = 3,848,772.16/x - Step 3: Cross multiply
10,239,011.20x = 15,355,717.44 × 3,848,772.16 - Step 4: Simplify right side
10,239,011.20x = 59,100,657,779,898.47 - Step 5: Solve for x
x = 59,100,657,779,898.47/10,239,011.20 - Step 6: Final answer
x = 5,772,105.98
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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.