Finding the Fourth Proportional to 12,097,613.80, 18,146,420.70 and 3,122,165.80
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Solution
The fourth proportional to 12,097,613.80, 18,146,420.70 and 3,122,165.80 is: 4,683,248.70
Step by Step Solution
- Step 1: Write the proportion equation
12,097,613.80 : 18,146,420.70 = 3,122,165.80 : x - Step 2: Convert to fraction form
12,097,613.80/18,146,420.70 = 3,122,165.80/x - Step 3: Cross multiply
12,097,613.80x = 18,146,420.70 × 3,122,165.80 - Step 4: Simplify right side
12,097,613.80x = 56,656,134,101,952.05 - Step 5: Solve for x
x = 56,656,134,101,952.05/12,097,613.80 - Step 6: Final answer
x = 4,683,248.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.