Finding the Fourth Proportional to 7,772,207.36, 10,734,010.99 and 5,916,873.20
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Solution
The fourth proportional to 7,772,207.36, 10,734,010.99 and 5,916,873.20 is: 8,171,653.04
Step by Step Solution
- Step 1: Write the proportion equation
7,772,207.36 : 10,734,010.99 = 5,916,873.20 : x - Step 2: Convert to fraction form
7,772,207.36/10,734,010.99 = 5,916,873.20/x - Step 3: Cross multiply
7,772,207.36x = 10,734,010.99 × 5,916,873.20 - Step 4: Simplify right side
7,772,207.36x = 63,511,781,886,774.23 - Step 5: Solve for x
x = 63,511,781,886,774.23/7,772,207.36 - Step 6: Final answer
x = 8,171,653.04
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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.