Finding the Fourth Proportional to 10,351,805.10, 15,516,043.65 and 4,963,037.10
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Solution
The fourth proportional to 10,351,805.10, 15,516,043.65 and 4,963,037.10 is: 7,438,963.50
Step by Step Solution
- Step 1: Write the proportion equation
10,351,805.10 : 15,516,043.65 = 4,963,037.10 : x - Step 2: Convert to fraction form
10,351,805.10/15,516,043.65 = 4,963,037.10/x - Step 3: Cross multiply
10,351,805.10x = 15,516,043.65 × 4,963,037.10 - Step 4: Simplify right side
10,351,805.10x = 77,006,700,280,169.41 - Step 5: Solve for x
x = 77,006,700,280,169.41/10,351,805.10 - Step 6: Final answer
x = 7,438,963.50
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1.5x scale
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.