Finding the Fourth Proportional to 39,745,389.04, 59,618,009.20 and 12,453,771.12
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Solution
The fourth proportional to 39,745,389.04, 59,618,009.20 and 12,453,771.12 is: 18,680,633.38
Step by Step Solution
- Step 1: Write the proportion equation
39,745,389.04 : 59,618,009.20 = 12,453,771.12 : x - Step 2: Convert to fraction form
39,745,389.04/59,618,009.20 = 12,453,771.12/x - Step 3: Cross multiply
39,745,389.04x = 59,618,009.20 × 12,453,771.12 - Step 4: Simplify right side
39,745,389.04x = 742,469,041,206,854.25 - Step 5: Solve for x
x = 742,469,041,206,854.25/39,745,389.04 - Step 6: Final answer
x = 18,680,633.38
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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.