Finding the Fourth Proportional to 10,449,391.82, 14,420,638.58 and 5,803,197.80
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Solution
The fourth proportional to 10,449,391.82, 14,420,638.58 and 5,803,197.80 is: 8,008,678.35
Step by Step Solution
- Step 1: Write the proportion equation
10,449,391.82 : 14,420,638.58 = 5,803,197.80 : x - Step 2: Convert to fraction form
10,449,391.82/14,420,638.58 = 5,803,197.80/x - Step 3: Cross multiply
10,449,391.82x = 14,420,638.58 × 5,803,197.80 - Step 4: Simplify right side
10,449,391.82x = 83,685,817,980,931.94 - Step 5: Solve for x
x = 83,685,817,980,931.94/10,449,391.82 - Step 6: Final answer
x = 8,008,678.35
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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.