Finding the Fourth Proportional to 16,319,116.98, 22,520,801.64 and 8,977,138.74
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Solution
The fourth proportional to 16,319,116.98, 22,520,801.64 and 8,977,138.74 is: 12,388,682.62
Step by Step Solution
- Step 1: Write the proportion equation
16,319,116.98 : 22,520,801.64 = 8,977,138.74 : x - Step 2: Convert to fraction form
16,319,116.98/22,520,801.64 = 8,977,138.74/x - Step 3: Cross multiply
16,319,116.98x = 22,520,801.64 × 8,977,138.74 - Step 4: Simplify right side
16,319,116.98x = 202,172,360,858,299.53 - Step 5: Solve for x
x = 202,172,360,858,299.53/16,319,116.98 - Step 6: Final answer
x = 12,388,682.62
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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.