Finding the Fourth Proportional to 23,634,403.34, 32,615,412.14 and 13,180,431.02
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Solution
The fourth proportional to 23,634,403.34, 32,615,412.14 and 13,180,431.02 is: 18,188,958.85
Step by Step Solution
- Step 1: Write the proportion equation
23,634,403.34 : 32,615,412.14 = 13,180,431.02 : x - Step 2: Convert to fraction form
23,634,403.34/32,615,412.14 = 13,180,431.02/x - Step 3: Cross multiply
23,634,403.34x = 32,615,412.14 × 13,180,431.02 - Step 4: Simplify right side
23,634,403.34x = 429,885,189,900,140.56 - Step 5: Solve for x
x = 429,885,189,900,140.56/23,634,403.34 - Step 6: Final answer
x = 18,188,958.85
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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.