Finding the Fourth Proportional to 8,703,203.74, 12,009,699.12 and 4,782,753.70
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Solution
The fourth proportional to 8,703,203.74, 12,009,699.12 and 4,782,753.70 is: 6,599,803.32
Step by Step Solution
- Step 1: Write the proportion equation
8,703,203.74 : 12,009,699.12 = 4,782,753.70 : x - Step 2: Convert to fraction form
8,703,203.74/12,009,699.12 = 4,782,753.70/x - Step 3: Cross multiply
8,703,203.74x = 12,009,699.12 × 4,782,753.70 - Step 4: Simplify right side
8,703,203.74x = 57,439,432,902,066.74 - Step 5: Solve for x
x = 57,439,432,902,066.74/8,703,203.74 - Step 6: Final answer
x = 6,599,803.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.