Finding the Fourth Proportional to 26,207,231.70, 39,310,847.55 and 13,452,647.70
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Solution
The fourth proportional to 26,207,231.70, 39,310,847.55 and 13,452,647.70 is: 20,178,971.55
Step by Step Solution
- Step 1: Write the proportion equation
26,207,231.70 : 39,310,847.55 = 13,452,647.70 : x - Step 2: Convert to fraction form
26,207,231.70/39,310,847.55 = 13,452,647.70/x - Step 3: Cross multiply
26,207,231.70x = 39,310,847.55 × 13,452,647.70 - Step 4: Simplify right side
26,207,231.70x = 528,834,982,878,558.06 - Step 5: Solve for x
x = 528,834,982,878,558.06/26,207,231.70 - Step 6: Final answer
x = 20,178,971.55
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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.