Finding the Fourth Proportional to 11,453,878.94, 15,805,946.23 and 6,297,202.94
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Solution
The fourth proportional to 11,453,878.94, 15,805,946.23 and 6,297,202.94 is: 8,689,916.45
Step by Step Solution
- Step 1: Write the proportion equation
11,453,878.94 : 15,805,946.23 = 6,297,202.94 : x - Step 2: Convert to fraction form
11,453,878.94/15,805,946.23 = 6,297,202.94/x - Step 3: Cross multiply
11,453,878.94x = 15,805,946.23 × 6,297,202.94 - Step 4: Simplify right side
11,453,878.94x = 99,533,251,069,037.92 - Step 5: Solve for x
x = 99,533,251,069,037.92/11,453,878.94 - Step 6: Final answer
x = 8,689,916.45
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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.