Finding the Fourth Proportional to 18,441,677.78, 27,681,995.56 and 10,361,558.42
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Solution
The fourth proportional to 18,441,677.78, 27,681,995.56 and 10,361,558.42 is: 15,553,281.95
Step by Step Solution
- Step 1: Write the proportion equation
18,441,677.78 : 27,681,995.56 = 10,361,558.42 : x - Step 2: Convert to fraction form
18,441,677.78/27,681,995.56 = 10,361,558.42/x - Step 3: Cross multiply
18,441,677.78x = 27,681,995.56 × 10,361,558.42 - Step 4: Simplify right side
18,441,677.78x = 286,828,614,177,120.62 - Step 5: Solve for x
x = 286,828,614,177,120.62/18,441,677.78 - Step 6: Final answer
x = 15,553,281.95
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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.