Finding the Fourth Proportional to 39,988,734.48, 55,184,988.96 and 22,346,861.58
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Solution
The fourth proportional to 39,988,734.48, 55,184,988.96 and 22,346,861.58 is: 30,838,968.16
Step by Step Solution
- Step 1: Write the proportion equation
39,988,734.48 : 55,184,988.96 = 22,346,861.58 : x - Step 2: Convert to fraction form
39,988,734.48/55,184,988.96 = 22,346,861.58/x - Step 3: Cross multiply
39,988,734.48x = 55,184,988.96 × 22,346,861.58 - Step 4: Simplify right side
39,988,734.48x = 1,233,211,309,582,948 - Step 5: Solve for x
x = 1,233,211,309,582,948/39,988,734.48 - Step 6: Final answer
x = 30,838,968.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.