Finding the Fourth Proportional to 39,149,567.84, 58,724,942.25 and 13,591,389.20
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Solution
The fourth proportional to 39,149,567.84, 58,724,942.25 and 13,591,389.20 is: 20,387,288.80
Step by Step Solution
- Step 1: Write the proportion equation
39,149,567.84 : 58,724,942.25 = 13,591,389.20 : x - Step 2: Convert to fraction form
39,149,567.84/58,724,942.25 = 13,591,389.20/x - Step 3: Cross multiply
39,149,567.84x = 58,724,942.25 × 13,591,389.20 - Step 4: Simplify right side
39,149,567.84x = 798,153,545,867,273.62 - Step 5: Solve for x
x = 798,153,545,867,273.62/39,149,567.84 - Step 6: Final answer
x = 20,387,288.80
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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.