Finding the Fourth Proportional to 10,203,106.12, 14,081,280.98 and 7,620,302.88
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Solution
The fourth proportional to 10,203,106.12, 14,081,280.98 and 7,620,302.88 is: 10,516,760.75
Step by Step Solution
- Step 1: Write the proportion equation
10,203,106.12 : 14,081,280.98 = 7,620,302.88 : x - Step 2: Convert to fraction form
10,203,106.12/14,081,280.98 = 7,620,302.88/x - Step 3: Cross multiply
10,203,106.12x = 14,081,280.98 × 7,620,302.88 - Step 4: Simplify right side
10,203,106.12x = 107,303,626,005,983.22 - Step 5: Solve for x
x = 107,303,626,005,983.22/10,203,106.12 - Step 6: Final answer
x = 10,516,760.75
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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.