Finding the Fourth Proportional to 39,149,491.34, 58,724,827.60 and 13,591,312.76
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Solution
The fourth proportional to 39,149,491.34, 58,724,827.60 and 13,591,312.76 is: 20,387,174.17
Step by Step Solution
- Step 1: Write the proportion equation
39,149,491.34 : 58,724,827.60 = 13,591,312.76 : x - Step 2: Convert to fraction form
39,149,491.34/58,724,827.60 = 13,591,312.76/x - Step 3: Cross multiply
39,149,491.34x = 58,724,827.60 × 13,591,312.76 - Step 4: Simplify right side
39,149,491.34x = 798,147,498,688,680.12 - Step 5: Solve for x
x = 798,147,498,688,680.12/39,149,491.34 - Step 6: Final answer
x = 20,387,174.17
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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.