Finding the Fourth Proportional to 13,117,567.48, 19,635,994.80 and 8,558,800.12
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Solution
The fourth proportional to 13,117,567.48, 19,635,994.80 and 8,558,800.12 is: 12,811,868.89
Step by Step Solution
- Step 1: Write the proportion equation
13,117,567.48 : 19,635,994.80 = 8,558,800.12 : x - Step 2: Convert to fraction form
13,117,567.48/19,635,994.80 = 8,558,800.12/x - Step 3: Cross multiply
13,117,567.48x = 19,635,994.80 × 8,558,800.12 - Step 4: Simplify right side
13,117,567.48x = 168,060,554,650,559.38 - Step 5: Solve for x
x = 168,060,554,650,559.38/13,117,567.48 - Step 6: Final answer
x = 12,811,868.89
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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.