Finding the Fourth Proportional to 8,177,248.64, 12,252,313.12 and 4,972,681.28
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Solution
The fourth proportional to 8,177,248.64, 12,252,313.12 and 4,972,681.28 is: 7,450,776.02
Step by Step Solution
- Step 1: Write the proportion equation
8,177,248.64 : 12,252,313.12 = 4,972,681.28 : x - Step 2: Convert to fraction form
8,177,248.64/12,252,313.12 = 4,972,681.28/x - Step 3: Cross multiply
8,177,248.64x = 12,252,313.12 × 4,972,681.28 - Step 4: Simplify right side
8,177,248.64x = 60,926,848,088,522.39 - Step 5: Solve for x
x = 60,926,848,088,522.39/8,177,248.64 - Step 6: Final answer
x = 7,450,776.02
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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.