Finding the Fourth Proportional to 8,488,468.16, 11,714,235.36 and 4,621,100.48
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Solution
The fourth proportional to 8,488,468.16, 11,714,235.36 and 4,621,100.48 is: 6,377,199.94
Step by Step Solution
- Step 1: Write the proportion equation
8,488,468.16 : 11,714,235.36 = 4,621,100.48 : x - Step 2: Convert to fraction form
8,488,468.16/11,714,235.36 = 4,621,100.48/x - Step 3: Cross multiply
8,488,468.16x = 11,714,235.36 × 4,621,100.48 - Step 4: Simplify right side
8,488,468.16x = 54,132,658,644,928.98 - Step 5: Solve for x
x = 54,132,658,644,928.98/8,488,468.16 - Step 6: Final answer
x = 6,377,199.94
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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.