Finding the Fourth Proportional to 39,528,090.70, 59,292,136.05 and 28,048,965.10
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Solution
The fourth proportional to 39,528,090.70, 59,292,136.05 and 28,048,965.10 is: 42,073,447.65
Step by Step Solution
- Step 1: Write the proportion equation
39,528,090.70 : 59,292,136.05 = 28,048,965.10 : x - Step 2: Convert to fraction form
39,528,090.70/59,292,136.05 = 28,048,965.10/x - Step 3: Cross multiply
39,528,090.70x = 59,292,136.05 × 28,048,965.10 - Step 4: Simplify right side
39,528,090.70x = 1,663,083,054,770,901.75 - Step 5: Solve for x
x = 1,663,083,054,770,901.75/39,528,090.70 - Step 6: Final answer
x = 42,073,447.65
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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.