Finding the Fourth Proportional to 10,368,052.05, 15,552,078.08 and 9,895,660.05
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Solution
The fourth proportional to 10,368,052.05, 15,552,078.08 and 9,895,660.05 is: 14,843,490.08
Step by Step Solution
- Step 1: Write the proportion equation
10,368,052.05 : 15,552,078.08 = 9,895,660.05 : x - Step 2: Convert to fraction form
10,368,052.05/15,552,078.08 = 9,895,660.05/x - Step 3: Cross multiply
10,368,052.05x = 15,552,078.08 × 9,895,660.05 - Step 4: Simplify right side
10,368,052.05x = 153,898,077,701,258.41 - Step 5: Solve for x
x = 153,898,077,701,258.41/10,368,052.05 - Step 6: Final answer
x = 14,843,490.08
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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.