Finding the Fourth Proportional to 11,366,800.32, 15,686,410.16 and 6,210,481.28
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Solution
The fourth proportional to 11,366,800.32, 15,686,410.16 and 6,210,481.28 is: 8,570,587.49
Step by Step Solution
- Step 1: Write the proportion equation
11,366,800.32 : 15,686,410.16 = 6,210,481.28 : x - Step 2: Convert to fraction form
11,366,800.32/15,686,410.16 = 6,210,481.28/x - Step 3: Cross multiply
11,366,800.32x = 15,686,410.16 × 6,210,481.28 - Step 4: Simplify right side
11,366,800.32x = 97,420,156,649,081.81 - Step 5: Solve for x
x = 97,420,156,649,081.81/11,366,800.32 - Step 6: Final answer
x = 8,570,587.49
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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.