Finding the Fourth Proportional to 10,959,289.65, 15,125,425.98 and 6,312,170.25
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Solution
The fourth proportional to 10,959,289.65, 15,125,425.98 and 6,312,170.25 is: 8,711,720.10
Step by Step Solution
- Step 1: Write the proportion equation
10,959,289.65 : 15,125,425.98 = 6,312,170.25 : x - Step 2: Convert to fraction form
10,959,289.65/15,125,425.98 = 6,312,170.25/x - Step 3: Cross multiply
10,959,289.65x = 15,125,425.98 × 6,312,170.25 - Step 4: Simplify right side
10,959,289.65x = 95,474,263,889,533.09 - Step 5: Solve for x
x = 95,474,263,889,533.09/10,959,289.65 - Step 6: Final answer
x = 8,711,720.10
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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.