Finding the Fourth Proportional to 16,897,369.80, 25,346,054.70 and 7,799,449.80
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Solution
The fourth proportional to 16,897,369.80, 25,346,054.70 and 7,799,449.80 is: 11,699,174.70
Step by Step Solution
- Step 1: Write the proportion equation
16,897,369.80 : 25,346,054.70 = 7,799,449.80 : x - Step 2: Convert to fraction form
16,897,369.80/25,346,054.70 = 7,799,449.80/x - Step 3: Cross multiply
16,897,369.80x = 25,346,054.70 × 7,799,449.80 - Step 4: Simplify right side
16,897,369.80x = 197,685,281,260,704.06 - Step 5: Solve for x
x = 197,685,281,260,704.06/16,897,369.80 - Step 6: Final answer
x = 11,699,174.70
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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.