Finding the Fourth Proportional to 13,097,620.99, 19,649,376.69 and 3,998,957.41
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Solution
The fourth proportional to 13,097,620.99, 19,649,376.69 and 3,998,957.41 is: 5,999,335.34
Step by Step Solution
- Step 1: Write the proportion equation
13,097,620.99 : 19,649,376.69 = 3,998,957.41 : x - Step 2: Convert to fraction form
13,097,620.99/19,649,376.69 = 3,998,957.41/x - Step 3: Cross multiply
13,097,620.99x = 19,649,376.69 × 3,998,957.41 - Step 4: Simplify right side
13,097,620.99x = 78,577,020,516,356.78 - Step 5: Solve for x
x = 78,577,020,516,356.78/13,097,620.99 - Step 6: Final answer
x = 5,999,335.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.