Finding the Fourth Proportional to 13,117,567.96, 19,635,995.54 and 8,558,800.62
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Solution
The fourth proportional to 13,117,567.96, 19,635,995.54 and 8,558,800.62 is: 12,811,869.65
Step by Step Solution
- Step 1: Write the proportion equation
13,117,567.96 : 19,635,995.54 = 8,558,800.62 : x - Step 2: Convert to fraction form
13,117,567.96/19,635,995.54 = 8,558,800.62/x - Step 3: Cross multiply
13,117,567.96x = 19,635,995.54 × 8,558,800.62 - Step 4: Simplify right side
13,117,567.96x = 168,060,570,802,069.22 - Step 5: Solve for x
x = 168,060,570,802,069.22/13,117,567.96 - Step 6: Final answer
x = 12,811,869.65
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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.