Finding the Fourth Proportional to 13,377,197.08, 18,460,773.84 and 7,577,179.12
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Solution
The fourth proportional to 13,377,197.08, 18,460,773.84 and 7,577,179.12 is: 10,456,644.19
Step by Step Solution
- Step 1: Write the proportion equation
13,377,197.08 : 18,460,773.84 = 7,577,179.12 : x - Step 2: Convert to fraction form
13,377,197.08/18,460,773.84 = 7,577,179.12/x - Step 3: Cross multiply
13,377,197.08x = 18,460,773.84 × 7,577,179.12 - Step 4: Simplify right side
13,377,197.08x = 139,880,590,088,358.98 - Step 5: Solve for x
x = 139,880,590,088,358.98/13,377,197.08 - Step 6: Final answer
x = 10,456,644.19
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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.