Finding the Fourth Proportional to 18,513,069.04, 27,787,515.18 and 8,935,190.02
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Solution
The fourth proportional to 18,513,069.04, 27,787,515.18 and 8,935,190.02 is: 13,411,429.94
Step by Step Solution
- Step 1: Write the proportion equation
18,513,069.04 : 27,787,515.18 = 8,935,190.02 : x - Step 2: Convert to fraction form
18,513,069.04/27,787,515.18 = 8,935,190.02/x - Step 3: Cross multiply
18,513,069.04x = 27,787,515.18 × 8,935,190.02 - Step 4: Simplify right side
18,513,069.04x = 248,286,728,316,934.50 - Step 5: Solve for x
x = 248,286,728,316,934.50/18,513,069.04 - Step 6: Final answer
x = 13,411,429.94
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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.