Finding the Fourth Proportional to 6,618,688.14, 9,928,058.13 and 4,374,327.18
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Solution
The fourth proportional to 6,618,688.14, 9,928,058.13 and 4,374,327.18 is: 6,561,507.90
Step by Step Solution
- Step 1: Write the proportion equation
6,618,688.14 : 9,928,058.13 = 4,374,327.18 : x - Step 2: Convert to fraction form
6,618,688.14/9,928,058.13 = 4,374,327.18/x - Step 3: Cross multiply
6,618,688.14x = 9,928,058.13 × 4,374,327.18 - Step 4: Simplify right side
6,618,688.14x = 43,428,574,522,678.98 - Step 5: Solve for x
x = 43,428,574,522,678.98/6,618,688.14 - Step 6: Final answer
x = 6,561,507.90
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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.