Finding the Fourth Proportional to 39,149,490.84, 58,724,826.84 and 13,591,312.26
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Solution
The fourth proportional to 39,149,490.84, 58,724,826.84 and 13,591,312.26 is: 20,387,173.42
Step by Step Solution
- Step 1: Write the proportion equation
39,149,490.84 : 58,724,826.84 = 13,591,312.26 : x - Step 2: Convert to fraction form
39,149,490.84/58,724,826.84 = 13,591,312.26/x - Step 3: Cross multiply
39,149,490.84x = 58,724,826.84 × 13,591,312.26 - Step 4: Simplify right side
39,149,490.84x = 798,147,458,996,869.12 - Step 5: Solve for x
x = 798,147,458,996,869.12/39,149,490.84 - Step 6: Final answer
x = 20,387,173.42
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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.