Finding the Fourth Proportional to 8,438,449.46, 11,645,116.16 and 4,570,970.58
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Solution
The fourth proportional to 8,438,449.46, 11,645,116.16 and 4,570,970.58 is: 6,307,969.68
Step by Step Solution
- Step 1: Write the proportion equation
8,438,449.46 : 11,645,116.16 = 4,570,970.58 : x - Step 2: Convert to fraction form
8,438,449.46/11,645,116.16 = 4,570,970.58/x - Step 3: Cross multiply
8,438,449.46x = 11,645,116.16 × 4,570,970.58 - Step 4: Simplify right side
8,438,449.46x = 53,229,483,345,187.72 - Step 5: Solve for x
x = 53,229,483,345,187.72/8,438,449.46 - Step 6: Final answer
x = 6,307,969.68
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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.