Finding the Fourth Proportional to 15,507,403.44, 23,263,631.94 and 4,578,697.85
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Solution
The fourth proportional to 15,507,403.44, 23,263,631.94 and 4,578,697.85 is: 6,868,792.82
Step by Step Solution
- Step 1: Write the proportion equation
15,507,403.44 : 23,263,631.94 = 4,578,697.85 : x - Step 2: Convert to fraction form
15,507,403.44/23,263,631.94 = 4,578,697.85/x - Step 3: Cross multiply
15,507,403.44x = 23,263,631.94 × 4,578,697.85 - Step 4: Simplify right side
15,507,403.44x = 106,517,141,447,721.28 - Step 5: Solve for x
x = 106,517,141,447,721.28/15,507,403.44 - Step 6: Final answer
x = 6,868,792.82
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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.