Finding the Fourth Proportional to 10,368,095.80, 15,552,143.70 and 5,319,916.60
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Solution
The fourth proportional to 10,368,095.80, 15,552,143.70 and 5,319,916.60 is: 7,979,874.90
Step by Step Solution
- Step 1: Write the proportion equation
10,368,095.80 : 15,552,143.70 = 5,319,916.60 : x - Step 2: Convert to fraction form
10,368,095.80/15,552,143.70 = 5,319,916.60/x - Step 3: Cross multiply
10,368,095.80x = 15,552,143.70 × 5,319,916.60 - Step 4: Simplify right side
10,368,095.80x = 82,736,107,435,215.41 - Step 5: Solve for x
x = 82,736,107,435,215.41/10,368,095.80 - Step 6: Final answer
x = 7,979,874.90
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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.