Finding the Fourth Proportional to 13,117,564.95, 19,635,991.05 and 8,558,797.62
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Solution
The fourth proportional to 13,117,564.95, 19,635,991.05 and 8,558,797.62 is: 12,811,865.17
Step by Step Solution
- Step 1: Write the proportion equation
13,117,564.95 : 19,635,991.05 = 8,558,797.62 : x - Step 2: Convert to fraction form
13,117,564.95/19,635,991.05 = 8,558,797.62/x - Step 3: Cross multiply
13,117,564.95x = 19,635,991.05 × 8,558,797.62 - Step 4: Simplify right side
13,117,564.95x = 168,060,473,465,081.28 - Step 5: Solve for x
x = 168,060,473,465,081.28/13,117,564.95 - Step 6: Final answer
x = 12,811,865.17
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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.