Finding the Fourth Proportional to 12,219,593.36, 18,331,750.35 and 4,645,970.24
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Solution
The fourth proportional to 12,219,593.36, 18,331,750.35 and 4,645,970.24 is: 6,969,852.76
Step by Step Solution
- Step 1: Write the proportion equation
12,219,593.36 : 18,331,750.35 = 4,645,970.24 : x - Step 2: Convert to fraction form
12,219,593.36/18,331,750.35 = 4,645,970.24/x - Step 3: Cross multiply
12,219,593.36x = 18,331,750.35 × 4,645,970.24 - Step 4: Simplify right side
12,219,593.36x = 85,168,766,481,550.84 - Step 5: Solve for x
x = 85,168,766,481,550.84/12,219,593.36 - Step 6: Final answer
x = 6,969,852.76
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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.