Finding the Fourth Proportional to 8,989,760.49, 12,402,929.42 and 5,501,462.84
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Solution
The fourth proportional to 8,989,760.49, 12,402,929.42 and 5,501,462.84 is: 7,590,219.48
Step by Step Solution
- Step 1: Write the proportion equation
8,989,760.49 : 12,402,929.42 = 5,501,462.84 : x - Step 2: Convert to fraction form
8,989,760.49/12,402,929.42 = 5,501,462.84/x - Step 3: Cross multiply
8,989,760.49x = 12,402,929.42 × 5,501,462.84 - Step 4: Simplify right side
8,989,760.49x = 68,234,255,221,750.79 - Step 5: Solve for x
x = 68,234,255,221,750.79/8,989,760.49 - Step 6: Final answer
x = 7,590,219.48
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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.