Finding the Fourth Proportional to 7,407,671.32, 11,167,028.99 and 6,913,874.06
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Solution
The fourth proportional to 7,407,671.32, 11,167,028.99 and 6,913,874.06 is: 10,422,632.00
Step by Step Solution
- Step 1: Write the proportion equation
7,407,671.32 : 11,167,028.99 = 6,913,874.06 : x - Step 2: Convert to fraction form
7,407,671.32/11,167,028.99 = 6,913,874.06/x - Step 3: Cross multiply
7,407,671.32x = 11,167,028.99 × 6,913,874.06 - Step 4: Simplify right side
7,407,671.32x = 77,207,432,061,229 - Step 5: Solve for x
x = 77,207,432,061,229/7,407,671.32 - Step 6: Final answer
x = 10,422,632.00
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.