Finding the Fourth Proportional to 7,979,627.76, 11,011,898.58 and 4,541,868.75
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Solution
The fourth proportional to 7,979,627.76, 11,011,898.58 and 4,541,868.75 is: 6,267,785.86
Step by Step Solution
- Step 1: Write the proportion equation
7,979,627.76 : 11,011,898.58 = 4,541,868.75 : x - Step 2: Convert to fraction form
7,979,627.76/11,011,898.58 = 4,541,868.75/x - Step 3: Cross multiply
7,979,627.76x = 11,011,898.58 × 4,541,868.75 - Step 4: Simplify right side
7,979,627.76x = 50,014,598,038,671.38 - Step 5: Solve for x
x = 50,014,598,038,671.38/7,979,627.76 - Step 6: Final answer
x = 6,267,785.86
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1.5x scale
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.