Finding the Fourth Proportional to 8,328,694.61, 11,493,121.68 and 4,607,303.63
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Solution
The fourth proportional to 8,328,694.61, 11,493,121.68 and 4,607,303.63 is: 6,357,815.20
Step by Step Solution
- Step 1: Write the proportion equation
8,328,694.61 : 11,493,121.68 = 4,607,303.63 : x - Step 2: Convert to fraction form
8,328,694.61/11,493,121.68 = 4,607,303.63/x - Step 3: Cross multiply
8,328,694.61x = 11,493,121.68 × 4,607,303.63 - Step 4: Simplify right side
8,328,694.61x = 52,952,301,178,830.09 - Step 5: Solve for x
x = 52,952,301,178,830.09/8,328,694.61 - Step 6: Final answer
x = 6,357,815.20
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1.5x scale
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.