Finding the Fourth Proportional to 11,071,005.05, 15,277,993.55 and 6,176,227.13
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Solution
The fourth proportional to 11,071,005.05, 15,277,993.55 and 6,176,227.13 is: 8,523,197.11
Step by Step Solution
- Step 1: Write the proportion equation
11,071,005.05 : 15,277,993.55 = 6,176,227.13 : x - Step 2: Convert to fraction form
11,071,005.05/15,277,993.55 = 6,176,227.13/x - Step 3: Cross multiply
11,071,005.05x = 15,277,993.55 × 6,176,227.13 - Step 4: Simplify right side
11,071,005.05x = 94,360,358,255,475.02 - Step 5: Solve for x
x = 94,360,358,255,475.02/11,071,005.05 - Step 6: Final answer
x = 8,523,197.11
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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.