Finding the Fourth Proportional to 15,572,311.16, 21,333,709.36 and 14,990,103.68
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Solution
The fourth proportional to 15,572,311.16, 21,333,709.36 and 14,990,103.68 is: 20,536,098.46
Step by Step Solution
- Step 1: Write the proportion equation
15,572,311.16 : 21,333,709.36 = 14,990,103.68 : x - Step 2: Convert to fraction form
15,572,311.16/21,333,709.36 = 14,990,103.68/x - Step 3: Cross multiply
15,572,311.16x = 21,333,709.36 × 14,990,103.68 - Step 4: Simplify right side
15,572,311.16x = 319,794,515,185,386.44 - Step 5: Solve for x
x = 319,794,515,185,386.44/15,572,311.16 - Step 6: Final answer
x = 20,536,098.46
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.