Finding the Fourth Proportional to 9,283,530.30, 13,925,295.45 and 8,485,712.70
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Solution
The fourth proportional to 9,283,530.30, 13,925,295.45 and 8,485,712.70 is: 12,728,569.05
Step by Step Solution
- Step 1: Write the proportion equation
9,283,530.30 : 13,925,295.45 = 8,485,712.70 : x - Step 2: Convert to fraction form
9,283,530.30/13,925,295.45 = 8,485,712.70/x - Step 3: Cross multiply
9,283,530.30x = 13,925,295.45 × 8,485,712.70 - Step 4: Simplify right side
9,283,530.30x = 118,166,056,451,317.20 - Step 5: Solve for x
x = 118,166,056,451,317.20/9,283,530.30 - Step 6: Final answer
x = 12,728,569.05
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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.