Finding the Fourth Proportional to 18,103,661.70, 27,186,985.35 and 9,600,605.70
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Solution
The fourth proportional to 18,103,661.70, 27,186,985.35 and 9,600,605.70 is: 14,417,609.59
Step by Step Solution
- Step 1: Write the proportion equation
18,103,661.70 : 27,186,985.35 = 9,600,605.70 : x - Step 2: Convert to fraction form
18,103,661.70/27,186,985.35 = 9,600,605.70/x - Step 3: Cross multiply
18,103,661.70x = 27,186,985.35 × 9,600,605.70 - Step 4: Simplify right side
18,103,661.70x = 261,011,526,517,026.50 - Step 5: Solve for x
x = 261,011,526,517,026.50/18,103,661.70 - Step 6: Final answer
x = 14,417,609.59
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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.