Finding the Fourth Proportional to 30,405,963.02, 45,616,718.86 and 8,840,564.62
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Solution
The fourth proportional to 30,405,963.02, 45,616,718.86 and 8,840,564.62 is: 13,263,107.32
Step by Step Solution
- Step 1: Write the proportion equation
30,405,963.02 : 45,616,718.86 = 8,840,564.62 : x - Step 2: Convert to fraction form
30,405,963.02/45,616,718.86 = 8,840,564.62/x - Step 3: Cross multiply
30,405,963.02x = 45,616,718.86 × 8,840,564.62 - Step 4: Simplify right side
30,405,963.02x = 403,277,550,834,202.69 - Step 5: Solve for x
x = 403,277,550,834,202.69/30,405,963.02 - Step 6: Final answer
x = 13,263,107.32
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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.